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What’s new in StoreKit and In-App Purchase

Learn about the latest StoreKit API enhancements to help you deliver great In-App Purchase experiences to your customers. We’ll review new fields added to AppTransaction, Transaction, and RenewalInfo, and updates to In-App Purchase offer codes. We’ll also cover creating signed In-App Purchase requests using the App Store Server Library and updates to merchandising subscriptions using SwiftUI.

Watch Video (20 min)1 min read

Explore new features

  • The AppTransaction object now has an appTransactionID field (in 18.4+, back-deployed to 15)

  • Also new: originalPlatform of type AppStore.Platform (iOS, macOS, tvOS, visionOS)

  • Transaction.currentEntitlement(for:) deprecated, use Transaction.currentEntitlements(for:) instead

  • The Transaction now has an appTransactionID field (also 18.4+)

  • Also new: offer of type Transaction.Offer with fields id, type, and period

  • And new: advancedCommerceInfo – more easily support IAPs for large content catalogs etc.

Learn more about Advanced Commere API here.

  • New SubscriptionStatus.status(transactionID:) API to get the status using a transaction ID

  • New fields on RenewalInfo: appTransactionID, offer, advancedCommerceInfo, appAccountToken

  • Offer codes are now available for consumables, non-consumables, and non-renewing subscriptions (back to 16.3)

  • New mode added to Transaction.Offer.PaymentMode type: oneTime added to freeTrial, payAsYouGo, payUpFront

  • For iOS 15 backwards compatibility, a new offerPaymentModeStringRepresentation field is added to Transaction

  • New purchase methods: purchase(confirmIn:options) – differs based on platform (window on macOS)

Sign In-App Purchase requests

  • Set eligibility for introductory offer via Product.PurchaseOption.introductoryOfferEligibility(compactJWS:)

  • Sign promotional offers via Product.PurchaseOption.promotionalOffer(_:compactJWS:)

  • Both these new APIs are back-deployed to iOS 15

  • In SwiftUI: Use subscriptionIntroductoryOffer and subscriptionPromotionalOffer view modifiers

  • Tip: Use the App Store Server Library (available in Java, Python, Node.js, and Swift)

Learn more: Explore App Store server APIs for InApp Purchase

Merchandise subscriptions

  • Subscription offer view: SubscriptionOfferView(id: "plus.standard") – supports custom (placeholder) icon

  • Use .subscriptionOfferViewDetailAction to add secondary button, e.g. to open full paywall

  • New SubscriptionOfferView(groupID:visibleRelationship:) with various options for the latter parameter

Missing anything? Corrections? Contributions are welcome!

Written By

Jeehut
Jeehut
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