Shipping a StoreKit 2 Subscription with Server-Side Verification
The full architecture — entitlement gating, Firestore rules, App Store Server Notifications — plus the sandbox trap that makes every valid purchase fail verification.
Notes from shipping iOS apps.
Engineering write-ups, case studies and the practical guides I send clients — Swift and SwiftUI, StoreKit, offline-first data, App Store submission and hiring.
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- Case Study: Building Backbeat - Background Audio in Flutter
- Shipping a StoreKit 2 Subscription with Server-Side Verification
- Building a TSA Wait Time Pipeline for 10 US Airports
- AskMyDoctor: AI-Powered Health Journal for Better Doctor Visits
- Complete Guide to Building Your First iOS App in 2026
- How to Build an iOS Developer Portfolio That Gets You Hired
- iOS Security Best Practices 2026: Complete Developer Guide
- 10 Mobile App Development Mistakes to Avoid in 2026
- How to Find a Reliable Mobile App Developer in 2026
- How to Hire an iOS Developer: Complete Guide for 2026
- iOS App Development Cost Guide 2026
- iOS App Performance Optimization: Complete Guide 2026
- Mobile App Development Process: A Complete Guide
- Case Study: Building OnTrack Core - Enterprise Mobile App
- Swift vs Flutter: Which Should You Choose in 2026?
- SwiftUI Best Practices 2026: Professional Patterns & Tips
- TodoListMore: Best iOS Task Management App for Maximum Productivity
- TodoListMore: The Ultimate iOS Task Management Solution
- Top Vibe Coding Tools for Modern Developers
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