소개
This skill serves as a deep-dive reference for developers implementing in-app purchases on Apple platforms using StoreKit 2. It covers the complete lifecycle of products and transactions, from loading and purchasing items to handling subscriptions and verifying transactions with JWS. With dedicated sections for iOS 18.4 features like appTransactionID and offerPeriod, alongside SwiftUI-native views and WWDC 2025 code snippets, it helps developers build robust, modern commerce experiences while avoiding legacy StoreKit 1 pitfalls.