axiom-in-app-purchases
StoreKit 2 In-App Purchase Implementation
Purpose: Guide robust, testable in-app purchase implementation StoreKit Version: StoreKit 2 iOS Version: iOS 15+ (iOS 18.4+ for latest features) Xcode: Xcode 13+ (Xcode 16+ recommended) Context: WWDC 2025-241, 2025-249, 2023-10013, 2021-10114
When to Use This Skill
✅ Use this skill when:
- Implementing any in-app purchase functionality (new or existing)
- Adding consumable products (coins, hints, boosts)
- Adding non-consumable products (premium features, level packs)
- Adding auto-renewable subscriptions (monthly/annual plans)
- Debugging purchase failures, missing transactions, or restore issues
- Setting up StoreKit testing configuration
- Implementing subscription status tracking
- Adding promotional offers or introductory offers
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