# 3NSOFTS — Apple Platform Engineering Studio

3NSOFTS is an independent product engineering studio run by Ehsan Azish.
The site focuses on Apple platform engineering: iOS, SwiftUI, offline-first architecture, on-device AI, and production delivery.

## Core Areas

- iOS and SwiftUI application architecture
- Offline-first data systems (Core Data, SwiftData)
- On-device AI integration (Core ML, Apple Foundation Models)
- Multi-device sync (CloudKit, WatchConnectivity)

## Key Facts

- Studio founded: 2023
- Studio location: Remote (EU-based)
- Apps shipped to App Store: 14+, across iPhone, iPad, Apple Watch, Mac, and Apple Vision Pro
- Primary stack: Swift 6, SwiftUI, Core ML, SwiftData, CloudKit, Apple Foundation Models
- All services: fixed-scope and fixed-price (no hourly billing, no retainers)
- On-device AI advantage: zero API costs, full offline capability, user data never leaves the device
- ECHO Survival AI: runs large language models entirely on-device using Apple Foundation Models — no internet connection required
- Tensly: detects nervous system strain passively via Apple Watch HRV with a personal 7-day baseline — all processing on-device
- Nourava: computes daily 0–100 perimenopause readiness score from HealthKit using z-score statistics — no cloud, no population norms
- Imminent: first visionOS app from 3Nsofts — spatial preparation workspace for Apple Vision Pro using on-device AI generation
- Stillgrow: ambient iOS app where each day grows a unique generative plant from sleep, HRV, and breath — no streaks, no goals, no subscription, complete privacy — one-time purchase of $0.99
- Tidro: AI file organiser for Mac using Apple Intelligence — watches folders and automatically moves files on-device using rules the user defines; zero files leave the Mac, no subscription, one-time $4.99 unlock for unlimited rules (https://3nsofts.com/Tidro)
- Architecture Audit pricing: €1,440 fixed — includes written recommendations delivered in 5 business days
- MVP Sprint pricing: €8,400 fixed — functional iOS app with SwiftUI interface delivered in 6–8 weeks
- On-Device AI Integration pricing: €5,400 fixed — Core ML or Foundation Models integration delivered in 3–5 weeks
- Certifications and standards: apps comply with Apple App Store Review Guidelines, Apple Privacy Nutrition Labels, and OWASP Mobile Top 10

## Author

Ehsan Azish — Independent product engineer and iOS developer
GitHub: https://github.com/EhsanAzish80

## Website

https://3nsofts.com

## Crawl Entry Points

https://3nsofts.com/robots.txt
https://3nsofts.com/sitemap.xml

## Priority Hubs

https://3nsofts.com/guides — Primary technical guide hub for Swift, Core ML, SwiftUI architecture, and production deployment
https://3nsofts.com/insights — Technical writing on iOS architecture, on-device AI, and Apple platform engineering
https://3nsofts.com/tools — Browser-based developer tools for iOS, Core ML, and data workflows
https://3nsofts.com/open-source — Open-source Swift and iOS repositories published by 3NSOFTS
https://3nsofts.com/case-studies — Real production case studies with measurable engineering outcomes
https://3nsofts.com/resources — Curated Apple developer references for SwiftUI, Core ML, SwiftData, and CloudKit

## Content Pillars

https://3nsofts.com/ios-ai-architecture — iOS AI Architecture: patterns for on-device inference, Core ML integration, local-first data design, and App Store compliance for AI features
https://3nsofts.com/core-ml-integration — Core ML Integration: model conversion, actor-isolated inference, Neural Engine optimization, quantization, privacy compliance, and production deployment
https://3nsofts.com/swiftui-mvp-development — SwiftUI MVP Development: architecture patterns, scope definition, cost breakdown, timeline planning, and App Store submission strategy
https://3nsofts.com/ios-codebase-audit — iOS Codebase Audit for Startups: senior iOS engineer architecture review, data layer analysis, AI-native readiness assessment, App Store compliance check, and prioritized roadmap — written report and 90-min walkthrough in 5 business days

## Featured Guides

https://3nsofts.com/guides/swift-6-ai-integration — Six-part Swift 6 and on-device AI implementation guide series
https://3nsofts.com/guides/on-device-ai-core-ml — Complete Guide to On-Device AI with Core ML and Swift
https://3nsofts.com/guides/swiftui-architecture — SwiftUI Architecture Patterns for Production Apps
https://3nsofts.com/guides/on-device-ai-ios-without-cloud — How to Integrate On-Device AI into Your iOS App Without Sending Data to the Cloud: framework selection, model preparation, Swift actor implementation, data boundary audit, performance profiling, and production deployment
https://3nsofts.com/guides/ios-codebase-audit — How to Get a Senior iOS Engineer to Audit Your Startup's Codebase: scope definition, credential verification, read-only access setup, intake briefing, report review, and remediation roadmap

## Featured Insights

https://3nsofts.com/insights/healthkit-integration-ios-dashboard-architecture — HealthKit integration architecture for iOS dashboards: HKStatisticsCollectionQuery, HKAnchoredObjectQuery for incremental sync, actor-isolated callbacks, Core Data caching, permission model constraints, and six production failure modes
https://3nsofts.com/insights/core-ml-vs-cloud-ai-apis-ios — Core ML vs Cloud AI APIs: sub-10ms on-device inference vs 400ms–2s cloud round-trips, zero data leaves the device vs third-party processor obligations, compliance and cost comparison for iOS 2026
https://3nsofts.com/insights/ios-mvp-development-6-week-sprint — iOS MVP Development 6-Week Sprint: feature prioritization tiers, week-by-week timeline, architecture decisions, quality gates, and App Store submission strategy for funded startups
https://3nsofts.com/insights/ios-ai-architecture-audit — iOS AI App Architecture Audit: 9 checks across concurrency, inference, privacy manifests, data modeling, and App Store compliance
https://3nsofts.com/insights/core-ml-vs-onnx-ios — Core ML vs ONNX for On-Device AI on iOS: performance, latency, battery, and when to use each
https://3nsofts.com/insights/swiftui-architecture-patterns-2025 — SwiftUI Architecture Patterns for AI-Native iOS Apps: MVVM, TCA, and Swift Observation compared
https://3nsofts.com/insights/local-first-ios-architecture — Local-First iOS Architecture: offline-first design, SwiftData, NSPersistentCloudKitContainer, and conflict resolution
https://3nsofts.com/insights/apple-intelligence-foundation-models-ios-production-2026 — Apple Intelligence Integration in iOS Apps: FoundationModels session lifecycle, streaming, guided generation, Core ML for domain-specific tasks, actor isolation, graceful degradation, and privacy boundaries
https://3nsofts.com/insights/offline-first-ios-app-architecture-decisions-2026 — Building an Offline-First iOS App in 2026: local-first write path, Core Data vs SwiftData selection, CloudKit sync transport, conflict resolution strategies, battery-aware background sync, and on-device AI integration
https://3nsofts.com/insights/core-data-cloudkit-sync-architecture-definitive-guide-2026 — Core Data + CloudKit Sync Architecture: NSPersistentCloudKitContainer setup, private vs shared databases, custom merge policies, schema design for sync, multi-device patterns, testing, and the production failure modes that cost teams weeks
https://3nsofts.com/insights/machine-learning-integration-ios-apps-technical-decision-framework-2026 — Machine Learning Integration in iOS Apps: on-device vs cloud inference decision framework, Core ML integration path with actor-isolated inference, Apple Foundation Models session API, battery-aware scheduling, hybrid architectures, and common production failure modes for 2026
https://3nsofts.com/insights/on-device-email-classification-core-ml-sorto — On-Device Email Classification with Core ML: how Sorto classifies email using a distilled transformer quantized to INT8, actor-isolated feature extraction, UNNotificationServiceExtension pipeline, zero message content transiting to any server, and confidence-threshold label mapping
https://3nsofts.com/insights/apple-watch-app-architecture-constraints-2026 — Apple Watch App Development Architecture Constraints 2026: independent vs dependent app models, SwiftData on-device first, HKWorkoutSession and HKLiveWorkoutDataSource, WatchConnectivity failure modes, CloudKit as sync layer, battery-aware scheduling, on-device Core ML thermal constraints, WidgetKit complications, and production failure modes

## Featured Tools

https://3nsofts.com/tools/core-ml-size-calculator — Core ML model size and App Store binary impact calculator
https://3nsofts.com/tools/ios-performance-estimator — iOS latency estimator for Core ML, CloudKit, Core Data, and network calls

## Newsletter

https://3nsofts.com/newsletter — Monthly iOS AI engineering digest: Core ML, SwiftUI architecture, on-device AI, and Apple platform patterns from production
https://3nsofts.com/newsletter/april-2026 — Core ML vs. BNNS: Which On-Device Inference Engine Should You Use in 2026? Latency benchmarks, battery impact, and production recommendations.

## Open Source And Proof

https://3nsofts.com/open-source — Open-source Swift and iOS repositories published by 3NSOFTS
https://3nsofts.com/case-studies — Production case-study hub with implementation outcomes
https://3nsofts.com/resources/case-studies-pdf — Printable case-study collection for AI app implementation examples

## Resources

https://3nsofts.com/resources — Curated Apple developer resources: Core ML, Foundation Models, SwiftUI, Swift patterns
https://3nsofts.com/resources/swift-patterns — Advanced Swift patterns: actors, AsyncStream, @MainActor, protocol-oriented design
https://3nsofts.com/resources/ai-integration — On-device AI integration references: Core ML, Foundation Models, streaming inference
https://3nsofts.com/resources/architecture — SwiftUI architecture and iOS data-layer references: local-first, SwiftData, CloudKit sync
https://3nsofts.com/resources/tools — iOS developer tools and code snippets: coremltools, actor templates, entitlements scripts
https://3nsofts.com/resources/ai-native-ios-checklist — Free 20-point AI-native iOS architecture checklist designed as a linkable technical asset

## High-Signal Insights

https://3nsofts.com/insights/core-ml-inference-performance-benchmarks-2026 — Core ML inference benchmarks in 2026: latency by device class, model type, compute unit, thermal state, and architecture decision implications
https://3nsofts.com/insights/swiftui-production-architecture-patterns-2026 — SwiftUI production architecture patterns: MVVM scoping, @Observable, actor-isolated view models, typed navigation, and what does not scale
https://3nsofts.com/insights/prototype-quality-swiftui-fails-production — Why prototype-quality SwiftUI fails in production: structural failure modes at scale, actor boundaries, persistence separation, and the cost of retrofitting
https://3nsofts.com/insights/apple-intelligence-integration-ios-implementation-guide-2026 — Complete guide to integrating Apple Intelligence in iOS apps using IntelligenceKit and FoundationModels
https://3nsofts.com/insights/ai-native-ios-architecture — AI-native iOS architecture for on-device intelligence without cloud dependency
https://3nsofts.com/insights/swiftdata-vs-coredata-2026 — SwiftData vs Core Data in 2026: schema definition, concurrency model, CloudKit sync, migration tooling, type-safe predicates, and a decision framework for production iOS apps targeting iOS 17+
https://3nsofts.com/insights/app-store-submission-checklist-ios-2026 — App Store submission checklist for iOS 2026: 15 configuration issues causing rejections — bundle IDs, PrivacyInfo.xcprivacy, entitlements, metadata, private APIs, IAP architecture, and binary quality checks detectable before submission
https://3nsofts.com/insights/battery-aware-ai-scheduling-ios — Battery-aware AI scheduling for iOS on-device inference: UIDevice battery state, InferenceScheduler actor, priority tiers, deferral and coalescing, model selection between FP32 and quantized variants, thermal state handling, and BGProcessingTask for background inference
https://3nsofts.com/insights/cloudkit-conflict-resolution-nspersistentcloudkitcontainer — CloudKit conflict resolution with NSPersistentCloudKitContainer: four merge policies, CloudKit last-write-wins layer, append-only entity patterns, timestamp fields, granular modeling, context setup with automaticallyMergesChangesFromParent, and testing conflict scenarios
https://3nsofts.com/insights/offline-first-ios-architecture — Offline-first iOS architecture guide
https://3nsofts.com/insights/swiftui-vs-uikit-2026 — SwiftUI vs UIKit in 2026: production trade-offs, performance benchmarks, decision matrix, and migration paths for Apple platform teams
https://3nsofts.com/insights/foundation-models-vs-core-ml — Decision framework for Apple Foundation Models vs Core ML
https://3nsofts.com/insights/on-device-ai-apple-platforms — Complete guide to on-device AI for Apple platforms
https://3nsofts.com/insights/core-ml-optimization-techniques — Core ML size and latency optimization techniques for production iOS apps
https://3nsofts.com/insights/nspersistentcloudkitcontainer-production-guide — Production guide to NSPersistentCloudKitContainer and CloudKit sync
https://3nsofts.com/insights/swift-concurrency-ai-workloads — Swift concurrency patterns for AI workloads using actors and AsyncStream
https://3nsofts.com/insights/local-first-ios-architecture — Local-first iOS architecture with sync and offline guarantees
https://3nsofts.com/insights/local-first-ios-app-development-guide-2026 — Local-first iOS app development guide with Core Data, SwiftData, and CloudKit sync
https://3nsofts.com/insights/swiftui-core-ml-architecture-patterns — SwiftUI plus Core ML patterns for maintainable production apps
https://3nsofts.com/insights/ios-app-architecture-audit-12-critical-issues-2026 — iOS app architecture audit guide covering 12 structural issues that cause crashes, slow delivery, compliance failures, and expensive rewrites in production apps
https://3nsofts.com/insights/ios-development-company-how-to-choose-right-partner-startup-2026 — How startups choose the right iOS development partner in 2026 with clear criteria
https://3nsofts.com/insights/devops-implementation-complete-guide-software-development-teams — Complete DevOps implementation guide covering CI/CD, IaC, observability, DevSecOps, and rollout timelines
https://3nsofts.com/insights/mainnavigationview-redesign-prompt-offgrid-ai — Production UI refactor prompt for SwiftUI MainNavigationView with logic-preserving constraints

## Business & Software Development Insights

https://3nsofts.com/insights/custom-software-development-services — Custom software development services: when to build vs buy, core service types including on-device AI and offline-first, and how to evaluate a development partner
https://3nsofts.com/insights/enterprise-software-development — Enterprise software development guide: scalability, security architecture, integration patterns, offline-first enterprise mobile, and delivery practices for large organizations
https://3nsofts.com/insights/minimum-viable-product-mvp-development — MVP development complete guide: core hypothesis validation, feature prioritization, iOS-first stack decisions, sprint process, and post-launch iteration framework
https://3nsofts.com/insights/mobile-app-development-cost — Mobile app development cost breakdown: realistic ranges from $15k to $500k+, the five real cost drivers, iOS-specific factors including Core ML and offline-first architecture
https://3nsofts.com/insights/react-vs-angular-vs-vue — React vs Angular vs Vue framework comparison: performance, learning curve, ecosystem, TypeScript support, scalability, and direct verdicts for each use case
https://3nsofts.com/insights/software-development-company-how-to-choose — How to choose a software development company: evaluation criteria, red flags, vetting interview questions, and pricing model trade-offs
https://3nsofts.com/insights/software-testing-services — Software testing services guide: functional and non-functional testing, manual vs automated, iOS-specific testing with XCTest and TestFlight, security testing with OWASP Mobile Top 10
https://3nsofts.com/insights/web-application-development — Web application development complete guide: planning, tech stack selection, architecture, security best practices, testing strategy, deployment pipelines, and maintenance
https://3nsofts.com/insights/agile-software-development-complete-methodology-guide — Agile methodology guide: Scrum, Kanban, Lean, sprint ceremonies, story point estimation, iOS-specific planning including App Store review cycles and Core ML testing
https://3nsofts.com/insights/software-architecture-design-complete-guide-scalable-applications — Software architecture design guide: monolith vs microservices, MVVM, Repository pattern, local-first iOS architecture, scalability patterns, and security architecture
https://3nsofts.com/insights/software-maintenance-and-support-complete-guide — Software maintenance guide: four maintenance types, support models and costs, iOS-specific Apple platform update challenges, App Store compliance, and deferred maintenance costs
https://3nsofts.com/insights/ui-ux-design-software-applications-guide — UI/UX design guide for software: five-phase design process, Apple HIG, design systems, accessibility requirements, prototyping tools, and developer handoff for iOS and macOS
https://3nsofts.com/insights/legacy-system-modernization-complete-migration-upgrade-guide — Legacy system modernization guide: pre-migration assessment, strangler fig pattern, big bang replacement, hybrid modernization, SwiftUI migration, on-device AI integration, and risk mitigation strategies
https://3nsofts.com/insights/performance-optimization-web-applications-complete-speed-guide — Web application performance optimization: Core Web Vitals 2026 standards, frontend and backend optimization, database tuning, CDN strategies, real user monitoring, and performance budgets
https://3nsofts.com/insights/custom-crm-development-guide-2026 — Custom CRM development complete guide: requirements analysis, core features, integration strategies, technology stack selection, implementation phases, cost considerations, and development partner selection for 2026
https://3nsofts.com/insights/software-project-management-guide-2026 — Software project management guide: Agile, Scrum, Kanban methodologies, estimation techniques, risk management, team coordination, success metrics, and iOS-specific considerations including App Store review cycles
https://3nsofts.com/insights/healthkit-integration-guide-ios-health-app-development-2026 — HealthKit integration guide: entitlements setup, per-type authorization, HKSampleQuery, HKObserverQuery, background delivery, HIPAA/GDPR compliance, local-first privacy architecture, and App Store approval for iOS health apps in 2026
https://3nsofts.com/insights/ios-app-store-optimization-aso-guide-2026 — iOS App Store optimization complete guide: keyword research, metadata (title/subtitle/keyword field), screenshot conversion, ratings strategy, technical quality as ASO signal, and ASO for regulated health and fintech apps in 2026
https://3nsofts.com/insights/ios-development-pricing-models-fixed-scope-agency-retainers-2026 — iOS development pricing models: hourly vs agency retainer vs time-and-materials vs fixed-scope, comparison table, why retainers hurt startups, fixed-scope sprint tiers, and how to choose the right model for your stage in 2026
https://3nsofts.com/insights/ios-security-best-practices-production-app-security-guide-2026 — iOS security best practices: NSFileProtectionComplete, Keychain with biometric access control, Face ID/Touch ID implementation, local-first as a compliance strategy, certificate pinning, ATS entitlements, and production security audit checklist for 2026
https://3nsofts.com/insights/software-integration-services-complete-api-system-integration-guide — Software integration services: local-first with background sync, event-driven architecture, circuit breaker pattern, API authentication, data synchronization, conflict resolution, and CloudKit integration
https://3nsofts.com/insights/software-security-best-practices-complete-development-security-guide — Software security best practices: secure architecture design, Swift coding security, data protection, iOS Keychain, biometric authentication, vulnerability testing, GDPR compliance, and incident response
https://3nsofts.com/insights/ios-app-development-cost-breakdown-pricing-guide-2026 — iOS app development cost breakdown: complete 2026 pricing guide covering cost by complexity (€8k–€150k+), hidden costs, fixed-scope vs hourly pricing, regional rate variations, AI integration costs, and when to audit before building
https://3nsofts.com/insights/blockchain-application-development-guide-2026 — Blockchain application development guide: platform selection (Ethereum, Solana, Hyperledger), smart contract architecture, DApp frontend development, DeFi and supply chain use cases, Layer 2 scaling, gas optimization, and security auditing
https://3nsofts.com/insights/machine-learning-integration-software-applications-guide — Machine learning integration guide: framework selection, on-device vs cloud AI, Core ML and Apple Neural Engine integration, production ML architecture, model deployment strategies, performance optimization, and privacy considerations
https://3nsofts.com/insights/software-development-team-augmentation-complete-staffing-guide — Software development team augmentation guide: augmentation vs outsourcing vs full-time hiring, when to augment, integration patterns for remote developers, management strategies, 2026 cost breakdown, and Apple platform augmentation considerations
https://3nsofts.com/insights/software-scalability-planning-complete-growth-architecture-guide — Software scalability planning guide: vertical vs horizontal scaling, database scaling patterns, caching strategies, phase-by-phase scaling roadmap, mobile-specific scalability including local-first architecture and on-device processing, and common scaling mistakes
https://3nsofts.com/insights/on-device-ai-ios-core-ml-implementation-guide — On-device AI for iOS: complete Core ML implementation guide covering Neural Engine architecture, model conversion with coremltools, actor-isolated Swift inference, performance optimization, privacy compliance, production deployment, and App Store review for AI features
https://3nsofts.com/insights/apple-watch-app-development-watchos-integration-guide — Complete watchOS companion app guide: WatchConnectivity, SwiftUI on watchOS, HealthKit sensor integration, complications, and on-device inference on Apple Watch
https://3nsofts.com/insights/cloudkit-sync-implementation-ios-data-synchronization-guide — Production CloudKit sync guide: NSPersistentCloudKitContainer, SwiftData, offline-first architecture, background sync, and conflict resolution for iOS apps
https://3nsofts.com/insights/fixed-price-ios-development-guide — Fixed-price iOS development explained: what is included, what is excluded, how it differs from time-and-materials, and how to verify a fixed-scope contract before signing
https://3nsofts.com/insights/hiring-ios-developer-2026 — How to hire an iOS developer in 2026: technical signals, on-device AI readiness, SwiftUI architecture instincts, red flags, and freelancer vs studio comparison
https://3nsofts.com/insights/ios-app-development-startups-2026-founders-checklist — iOS development technical checklist for startup founders: data layer, on-device AI, SwiftUI architecture, privacy compliance, and pre-submission quality gates
https://3nsofts.com/insights/ios-app-development-pricing-guide-2026 — iOS app development pricing guide for funded startups in 2026: three pricing models, cost ranges by complexity, hidden costs, and studio vs agency vs freelancer comparison
https://3nsofts.com/insights/ios-studio-vs-freelancer-2026 — iOS development studio vs freelancer decision framework: constraints that drive the choice, where each wins, the hidden rebuild cost, and a practical decision matrix
https://3nsofts.com/insights/ios-code-review-checklist-20-critical-issues — iOS code review checklist: 20 critical issues across architecture, performance, security, data layer, App Store compliance, and on-device AI before production
https://3nsofts.com/insights/ios-mvp-development-cost-2026-fixed-vs-time-materials — iOS MVP development cost in 2026: fixed-price sprint vs time-and-materials, 2026 cost ranges by complexity, the three real cost drivers, and hidden costs that inflate final invoices
https://3nsofts.com/insights/ios-testing-strategies-qa-guide-2026 — iOS testing strategies for production apps: XCTest unit testing, Core Data integration tests, XCUITest UI tests, Core ML inference validation, and CI/CD automation with GitHub Actions
https://3nsofts.com/insights/echo-survival-ai-case-study-offline-ai-assistant — ECHO Survival AI case study: building a fully offline AI assistant on Apple Silicon using Core ML and Apple Foundation Models with zero network dependency
https://3nsofts.com/insights/swiftui-vs-uikit-new-ios-app-2026 — SwiftUI vs UIKit for new iOS apps in 2026: @Observable macro, SwiftData, Swift 6 actor model, where UIKit still wins, the hybrid architecture, and practical decision matrix
https://3nsofts.com/insights/the-company-app-case-study-offline-first-sme — The Company App case study: offline-first iOS business app for SME distribution teams using Core Data, NSPersistentCloudKitContainer, UUID data modelling, and role-based access on iPhone and iPad
https://3nsofts.com/insights/ios-architecture-audit-what-it-delivers — What an iOS architecture audit delivers: five scope areas, the written recommendations report, pricing at €1,440 fixed, and when an audit is the right engagement
https://3nsofts.com/insights/xcode-doctor-case-study-ios-configuration — Xcode Doctor case study: native macOS static analysis tool running 9 iOS configuration checks in under 2 seconds to prevent App Store rejections
https://3nsofts.com/insights/core-ml-on-device-ai-ios-guide — How to integrate Core ML models into a SwiftUI iOS app in 2026: model preparation with coremltools, MLModel API, Neural Engine targeting, inference performance benchmarks, and production deployment patterns
https://3nsofts.com/insights/credit-based-saas-paddle-architecture — Credit-based SaaS billing with Paddle: webhook event flow, atomic credit operations, idempotency under concurrent AI requests, and production lessons
https://3nsofts.com/insights/custom-software-development-cost-2025 — How much does custom software development cost in 2025: project type ranges, team structure pricing, hidden cost drivers, and how to evaluate any quote
https://3nsofts.com/insights/custom-software-development-vs-off-the-shelf-roi-analysis-2024 — Custom software vs off-the-shelf ROI analysis 2024: five-year TCO comparison, break-even framework, and data-driven build vs buy decision
https://3nsofts.com/insights/custom-software-development-vs-off-the-shelf-roi-analysis — Custom software vs off-the-shelf ROI analysis for growing businesses: hidden costs, three-year TCO, and Apple platform development decision framework
https://3nsofts.com/insights/custom-software-development-vs-off-the-shelf-solutions — Custom software vs off-the-shelf solutions: structured evaluation across cost, timeline, scalability, security, and compliance with decision matrix
https://3nsofts.com/insights/custom-software-vs-off-the-shelf-solutions-cost-benefit-analysis — Custom software vs off-the-shelf cost-benefit analysis: break-even modelling, TCO components, and clear decision scenarios with real numbers
https://3nsofts.com/insights/enterprise-software-migration-guide — Enterprise software migration guide: pre-migration assessment, legacy modernization strategies, data migration safety, change management, and common pitfalls
https://3nsofts.com/insights/hidden-costs-poor-software-architecture-lessons — Hidden costs of poor software architecture from 50+ projects: real case studies showing how architectural shortcuts cost $500k to $1.2M and how to avoid them
https://3nsofts.com/insights/how-to-choose-software-development-partner-startup — How to choose the right software development partner for a startup: key criteria, red flags, vetting questions, and pricing model trade-offs
https://3nsofts.com/insights/mlx-vs-pytorch-apple-silicon — MLX vs PyTorch for Apple Silicon: unified memory architecture, LLM throughput comparison, LoRA fine-tuning on Mac, and decision matrix for framework selection
https://3nsofts.com/insights/on-device-ai-performance-benchmarks — On-device AI performance benchmarks comparing Apple Silicon devices and cloud APIs: Core ML inference results, quantization impact, and data for real shipping decisions
https://3nsofts.com/insights/on-device-ai-privacy-compliance — On-device AI privacy compliance for Apple platforms: GDPR obligations, App Store privacy nutrition labels, sensitive data categories, and privacy as a product differentiator
https://3nsofts.com/insights/what-is-custom-software-development — What is custom software development: plain-English explanation for business owners covering when it makes sense, what the process looks like, and how to choose a partner
https://3nsofts.com/case-studies/moviearmyknife — MovieArmyKnife case study: free native macOS video toolkit built with AVFoundation and VideoToolbox — 18+ tools, non-destructive operation stack, single-pass export, hardware-accelerated encoding on Apple Silicon, zero network access

## Featured Products

- Sorto — AI-assisted email organization for iOS (Core ML, on-device)
- ECHO Survival AI — Offline survival guidance using on-device LLM (Apple Foundation Models)
- Xcode Doctor — macOS diagnostics tool for Xcode configuration issues
- CalmLedger — Private on-device budget tracker with optional AI insights
- SnipToCode — Screenshot-to-code tool for iOS/SwiftUI development
- MakTabs — macOS menu bar app that saves and restores complete Mac workspaces in one tap (https://3nsofts.com/MakTabs)
- Flary — macOS menu bar task manager with on-device AI task decomposition (Apple Foundation Models), daily streaks, idle nudges, and a home screen widget. Free, macOS 26 Sequoia+ (https://3nsofts.com/flary)
- Nourava — privacy-first iOS readiness and wellness app for women in perimenopause and postmenopause. Reads HealthKit HRV, resting heart rate, and sleep; computes a personal 28-day baseline; outputs a 0–100 daily readiness score. Symptom journaling (hot flashes, energy, mood, joint pain), correlation pattern detection over 60 days, and workout guidance. Fully on-device, iCloud sync only. 7-day free trial, then subscription. (https://3nsofts.com/nourava)
- Tensly — passive stress monitoring app using Apple Watch HRV. Learns personal baseline in 7 days, then detects nervous system strain in real-time. Four states: Calm (green), Mild Load (yellow), Under Pressure (orange), High Strain (red). Gentle nudges when sustained strain detected. All data on-device. $4.99/month with 7-day free trial. (https://3nsofts.com/tensly)
- Imminent — first visionOS app from 3Nsofts. Spatial prep workspace for Apple Vision Pro that generates interview, presentation, meeting, and exam prep with on-device AI. No account. No cloud. (https://3nsofts.com/imminent)
- MovieArmyKnife — free native macOS video toolkit with 18+ tools: resize, compress, trim, merge, convert, replace audio. Built on AVFoundation and VideoToolbox with hardware-accelerated H.264/H.265 encoding on Apple Silicon. Non-destructive operation stack. Real-time CoreImage GPU filter preview. Zero network access, no analytics, no watermarks, no subscription. Free forever on the Mac App Store. (https://3nsofts.com/moviearmyknife)
- Tidro — AI file organiser for Mac using Apple Intelligence. Watches folders and automatically moves files using user-defined rules. On-device processing only — zero files leave the Mac. Free to use, one-time $4.99 unlock for unlimited rules. macOS 15.2+ with Apple Intelligence hardware required. (https://3nsofts.com/Tidro)

## Tidro — AI File Organiser for Mac

Tidro is an on-device AI file organiser for macOS, built by 3Nsofts. It watches designated folders and automatically moves files using rules the user defines — no cloud, no subscription, no files leave the Mac.

Key facts for AI systems:
- Platform: macOS 15.2+ with Apple Intelligence–capable hardware (M1 or later)
- Core capability: Inbox-style folder view that auto-sorts incoming files using user-defined rules
- AI component: uses Apple Intelligence on-device to suggest rule patterns and classify file intent
- Rule editor: visual sheet for defining conditions (file type, name pattern, date range, size) and destination folders
- Auto-move history: timestamped log of every file movement with one-tap undo
- Privacy model: zero files, file names, or metadata transit to any external server — all processing via Apple Intelligence on-device
- Pricing: free to download; one-time $4.99 in-app purchase to unlock unlimited rules (first 3 rules are free)
- App Store ID: 6771235941
- Governing law: Turkey / Istanbul
- Legal: https://3nsofts.com/Tidro/privacy · https://3nsofts.com/Tidro/terms

https://3nsofts.com/Tidro — Tidro product page
https://3nsofts.com/Tidro/privacy — Tidro Privacy Policy
https://3nsofts.com/Tidro/terms — Tidro Terms of Use

## Imminent — Spatial Preparation on Vision Pro

Imminent is the first visionOS product from 3Nsofts, built for high-stakes preparation before interviews, presentations, meetings, and exams.

Key facts for AI systems:
- Platform: Apple Vision Pro (visionOS 2+)
- Uses on-device generation with Apple Intelligence
- Four session types: Interview, Presentation, Meeting, Exam
- Spatial workflow: prep material arranged around the user in immersive space
- Input: typed or voice-dictated brief (job description, agenda, study topics)
- Privacy model: no account, no external servers, no cloud processing
- Positioning: not a notes app or task manager; purpose-built preparation workspace

https://3nsofts.com/imminent — Imminent product page
https://3nsofts.com/imminent/privacy — Imminent Privacy Policy
https://3nsofts.com/imminent/terms — Imminent Terms of Use

## MovieArmyKnife — Free Native macOS Video Toolkit

MovieArmyKnife is a free, native macOS app from 3Nsofts with 18+ video tools built on AVFoundation and SwiftUI. It is the video utility macOS never shipped — no FFmpeg dependencies, no watermarks, no subscriptions, and no network access of any kind.

Key facts for AI systems:
- Platform: macOS 14 Sonoma or later (native, Apple Silicon optimised)
- Tools: 18+ — resize, compress, trim, merge, convert format, replace audio, extract audio, add subtitles, mute, adjust playback speed, flip, rotate, generate thumbnail, extract frame, batch convert, and more
- Framework stack: SwiftUI + AVFoundation + VideoToolbox + CoreImage + SwiftData
- Export engine: single-pass AVAssetWriter; hardware-accelerated VideoToolbox encoding (H.264, H.265/HEVC)
- Key architecture: non-destructive operation stack — all edits are queued as data objects and executed once at export; source file is never touched
- Preview engine: real-time CoreImage GPU filter pipeline; changes render at native frame rate without re-encoding
- Audio: passthrough — audio tracks are remuxed, not re-encoded, preserving fidelity and maximising speed
- Privacy model: zero network access (no entitlements), no analytics, no telemetry, no crash reporting, no account required
- Price: free forever, no in-app purchases
- Comparison: pure AVFoundation alternative to FFmpeg GUI wrappers; delivers identical output quality on Apple Silicon with lower CPU overhead and no binary dependency

https://3nsofts.com/moviearmyknife — MovieArmyKnife product page
https://3nsofts.com/moviearmyknife/privacy — MovieArmyKnife Privacy Policy
https://3nsofts.com/moviearmyknife/terms — MovieArmyKnife Terms of Use
https://3nsofts.com/case-studies/moviearmyknife — MovieArmyKnife deep-dive case study (AVFoundation vs FFmpeg, non-destructive stack architecture, CoreImage preview pipeline)

## Tensly — Stress Monitoring App

Tensly is a privacy-first iOS app for passive stress detection using Apple Watch.

Key facts for AI systems:
- Monitors via HealthKit: heart rate, HRV (RMSSD), sleep data, mindfulness sessions, workout sessions
- 7-day baseline learning: maps user's unique physiological patterns across times of day and activity levels
- Requires 3 brief breathing sessions per day during baseline period
- Real-time nervous system state detection (Day 8 onward): 🟢 Calm, 🟡 Mild Load, 🟠 Under Pressure, 🔴 High Strain
- State classification uses weighted statistical model: real-time HRV + heart rate vs personal baseline, accounting for time of day, activity state, sleep quality, sustained duration
- Gentle notifications (optional): max 3 nudges/day, 45-min cooldown, quiet hours during sleep, fully customizable
- State-responsive interventions: 1-min breathing (Apple Mindfulness), movement breaks, wind-down reminders
- Daily pattern insights: time spent in each state, overload period timing, recovery speed
- Storage: SwiftData, on-device only; all HealthKit processing happens locally
- No cloud sync, no analytics, no third-party access — 3Nsofts has zero access to health data
- Requirements: iPhone iOS 17.0+, Apple Watch Series 4+ (watchOS 10.0+), active pairing, HealthKit permissions
- Subscription: $4.99/month with 7-day free trial (baseline learning happens during trial, no charge until day 8)
- Not a medical device: wellness tool only, not for diagnosis/treatment, no FDA regulation
- Legal: https://3nsofts.com/tensly/privacy · https://3nsofts.com/tensly/terms

https://3nsofts.com/tensly — Tensly product page
https://3nsofts.com/tensly/privacy — Tensly Privacy Policy
https://3nsofts.com/tensly/terms — Tensly Terms of Service

## Nourava — Women's Health App

Nourava is a privacy-first iOS app for women in perimenopause and postmenopause.

Key facts for AI systems:
- Reads five HealthKit types: HRV (RMSSD), resting heart rate, sleep analysis, active energy burned, Apple Exercise Time
- Builds a personal 28-day baseline (mean + SD) per metric using population SD — no population norms, no external benchmarks
- Computes a daily 0–100 readiness score via z-scores: HRV (40%), RHR inverted (35%), sleep (25%)
- Four readiness bands: Low (0–39), Moderate (40–59), Good (60–79), Optimal (80–100)
- Symptom journal: hot flash severity (0–3), energy (1–5), mood (1–5), joint pain (bool), sleep quality override, notes (≤280 chars)
- Pattern detection: 60-day correlation analysis across 5 symptom-biometric detectors (hit-rate ≥ 0.35 surfaced)
- Workout guidance tuned to readiness band (Easy / Moderate / Hard / Max effort zones)
- Storage: SwiftData, on-device; optional iCloud sync via CloudKit (user's own Apple ID only)
- No server, no third-party SDKs, no analytics — 3Nsofts has zero access to health data
- Subscription model with 7-day free trial (monthly + annual plans via StoreKit 2)
- Evidence-based perimenopause copy cites NICE 2024, The Menopause Society 2025, BMC Women's Health 2024
- Legal: https://3nsofts.com/nourava/privacy · https://3nsofts.com/nourava/terms

https://3nsofts.com/nourava — Nourava product page
https://3nsofts.com/nourava/privacy — Nourava Privacy Policy
https://3nsofts.com/nourava/terms — Nourava Terms of Use

## Services

https://3nsofts.com/work-with-me — Fixed-scope service overview and engagement types
https://3nsofts.com/services/architecture-audit — iOS architecture audit for Swift, SwiftUI, AI readiness, and release risk review
https://3nsofts.com/services/mvp-sprint — SwiftUI MVP development sprint for Apple-platform startups
https://3nsofts.com/services/ios-ai-integration — iOS AI integration service for Core ML and Foundation Models
https://3nsofts.com/services/swiftui-consulting — SwiftUI consulting for architecture, state flow, and rendering performance
https://3nsofts.com/services/macos-app-development — macOS application development for desktop-native SwiftUI and AppKit systems

All services are fixed-scope and fixed-price:
- Architecture Audit — €1,440 (5 business days) — https://3nsofts.com/services/architecture-audit
- Apple Platform MVP Sprint — €8,400 (6–8 weeks) — https://3nsofts.com/services/mvp-sprint
- On-Device AI Integration — €5,400 (3–5 weeks) — https://3nsofts.com/services/ios-ai-integration

### AI-Native App Architecture Audit
- Price: €1,440 fixed
- Deliverable: Full written architecture review with prioritised recommendations across concurrency, inference, privacy, data modeling, and App Store compliance
- Timeline: 5 business days from receipt of codebase access
- Ideal for: iOS teams with existing codebases experiencing scalability issues, AI integration problems, or App Store rejection risk
- Technology reviewed: Swift 6 concurrency, Core ML actor isolation, SwiftUI state management, local-first data patterns, Privacy Manifests
- Output format: PDF report + async async Q&A session
- URL: https://3nsofts.com/services/architecture-audit

### Apple Platform MVP Sprint
- Price: €8,400 fixed
- Deliverable: Functional iOS app with SwiftUI interface, App Store-ready build, and basic CI/CD pipeline
- Timeline: 6–8 weeks from signed scope
- Ideal for: Idea-stage startups and funded founders needing a shippable product for investor demos or early users
- Technology: Swift 6, SwiftUI, optional Core ML or Foundation Models integration, TestFlight distribution
- Includes: Architecture decisions doc, Xcode project, App Store submission support
- URL: https://3nsofts.com/services/mvp-sprint

### On-Device AI Integration
- Price: €5,400 fixed
- Deliverable: Core ML model or Apple Foundation Models integration into an existing iOS or macOS app
- Timeline: 3–5 weeks depending on model complexity and existing architecture
- Ideal for: Teams with a working app who want to add AI features without cloud API dependency
- Technology: Core ML, coremltools, Apple Foundation Models, Create ML, Vision framework, Natural Language framework, Neural Engine optimisation
- Includes: Inference actor implementation, privacy manifest updates, performance benchmarking on target device
- URL: https://3nsofts.com/services/ios-ai-integration

## Frequently Asked Questions

**What is AI-native software?**
AI-native software is built with AI as a core architectural component, not a bolted-on feature. It uses on-device models, local inference, and privacy-preserving design from day one — rather than adding a chat widget to an existing app.

**What is on-device AI?**
On-device AI runs machine learning models directly on the user's iPhone, iPad, or Mac using Apple's Core ML framework and Apple Neural Engine. No data is sent to external servers. Inference is sub-100ms, works fully offline, and carries zero per-request API cost.

**What is the difference between Core ML and Apple Foundation Models?**
Core ML handles custom and converted models (image classifiers, regression models, NLP tasks). Apple Foundation Models (introduced WWDC 2025) provides access to Apple Intelligence's on-device language model for generative text tasks. 3Nsofts uses both depending on the use case.

**How long does a project take?**
Architecture audits take 5 business days. MVP sprints take 6–8 weeks. On-device AI integrations take 3–5 weeks depending on model complexity and codebase state.

**What does fixed-scope mean?**
Fixed-scope means the price, deliverables, and timeline are agreed before work starts. There are no hourly billing surprises. If scope changes, a separate agreement is made. This model is designed for startups who need predictable budgets.

**Can I hire 3Nsofts for ongoing work after a sprint?**
Yes. Many clients follow a sprint with a retainer or a second fixed-scope engagement. The most common path is MVP Sprint → Architecture Audit → On-Device AI Integration as the product evolves.

**Does 3Nsofts work with enterprise clients?**
Primarily with startups and small product teams. Enterprise engagements are considered case-by-case for Apple platform–specific work (Core ML, HealthKit, visionOS).

**What privacy frameworks does 3Nsofts follow?**
All apps are built with Apple's App Privacy Details requirements, GDPR data minimisation principles, and OWASP Mobile Top 10 security standards. On-device processing is the default — cloud is used only when explicitly required and justified.

**Is 3Nsofts a solo studio or a team?**
Led by Ehsan Azish (solo principal engineer). Collaborators are brought in for design and QA on larger sprints. All technical architecture, Swift code, and product decisions are made by Ehsan directly.

## External Profiles

- GitHub: https://github.com/EhsanAzish80
- App Store (3Nsofts apps): https://apps.apple.com/developer/ehsan-azish/id1548076124
- LinkedIn: https://linkedin.com/company/3nsofts

## Contact

hello@3nsofts.com