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storekit

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Implement, review, or improve in-app purchases and subscriptions using StoreKit 2. Use when building paywalls with SubscriptionStoreView or ProductView, processing transactions with Product and Transaction APIs, verifying entitlements, handling purchase flows (consumable, non-consumable, auto-renewable), implementing offer codes or promotional/win-back/introductory offers, managing subscription status and renewal state, setting up StoreKit testing with configuration files, or integrating Family Sharing, Ask to Buy, refund handling, and billing retry logic.

When to use

• building paywalls with SubscriptionStoreView or ProductView
• processing transactions with Product and Transaction APIs
• verifying entitlements
• handling purchase flows (consumable, non-consumable, auto-renewable)
• implementing offer codes or promotional/win-back/introductory offers
• managing subscription status and renewal state
• setting up StoreKit testing with configuration files
• integrating Family Sharing, Ask to Buy, refund handling, and billing retry logic

When not to use

• using original In-App Purchase APIs (SKProduct, SKPaymentQueue) unless legacy OS support requires them

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