StoreKit

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Support in-app purchases and interactions with the App Store using StoreKit.

StoreKit Documentation

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In-app purchase for auto-renewals subscription for sandbox
Dear Apple Support Team, We are currently implementing auto-renewable subscriptions in our iOS app and are testing the integration using the sandbox environment. On the iOS app side, the in-app purchase flow completes successfully and displays a "Purchase Successful" message. However, we are not receiving any server notification callbacks on our configured App Store Server Notifications (Sandbox) webhook URL. For your reference, the webhook URL we have set in App Store Connect (Sandbox) is: https://9c0f-182-79-123-254.ngrok-free.app/ios/webhook Despite successfully completing a subscription purchase in the sandbox, there is no evidence that the webhook is being triggered. We would appreciate your guidance in resolving this issue or confirming if there are any additional configurations or steps required on our end.
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May ’25
restoreCompletedTransactions not working on iOS 26
I use [[SKPaymentQueue defaultQueue] restoreCompletedTransactions]. Works on my App which is in the store (compiled pre-iOS 26). If I compile the same App now, same codebase with Xcode Version 26.0, restore does not work. Nothing happens. Tested on real device (iOS 26). Documentation says its deprecated, but my deployment target is iOS 12. Anyone has similar issues? Any recommendations?
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Sep ’25
StoreKit2: appAccountToken in purchase() always returns first value instead of updated UUID
Hello, I’m experiencing an issue with StoreKit 2 when passing a new appAccountToken for each purchase request. Case-ID: 15948169 (for DTS reference) Description of the Problem When initiating a purchase, I generate a new UUID to use as the appAccountToken: let serverTransactionId = UUID() let options: Set<Product.PurchaseOption> = [ .appAccountToken(serverTransactionId) ] let result = try await product.purchase(options: options) Expected Behavior: Each new purchase should return the updated appAccountToken that I pass into the purchase options. Actual Behavior: The payload response after success always contains the same appAccountToken from the very first transaction. It ignores subsequent UUIDs I pass and keeps reusing the original one. This causes issues because the same identifier is being reused across multiple transactions, making it difficult to map purchases to the correct user session. Steps to Reproduce Generate a fresh UUID using UUID(). Pass it as .appAccountToken when calling purchase(). Complete the transaction in the sandbox environment. Inspect the payload response → The appAccountToken value is always the same as the first one used, not the newly provided one. Additional Info I do have a focused test project that reproduces this issue. The issue appears specific to appAccountToken persistence across multiple transactions. Has anyone else experienced this behavior with StoreKit 2? Is this expected (Apple caching the first token) or could this be a bug?
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324
Nov ’25
Cannot get public keys for jwks verification
I am using the public url https://api.storekit-sandbox.itunes.apple.com/inApps/v1/notifications/jwsPublicKeys to get the jwks keys to verify the signed payload for store kit payments. I am checking Apple server notifications. const APPLE_JWKS_URL = "https://api.storekit-sandbox.itunes.apple.com/inApps/v1/notifications/jwsPublicKeys" // Apple JWK set (cached by jose) const appleJWKS = createRemoteJWKSet(new URL(APPLE_JWKS_URL)); const jwks = await appleJWKS(); logger.debug("Apple JWKS Keys: %O", jwks); // Log the keys if (!signedPayload) { // return res.status(400).json({ error: "Missing signedPayload" }); } // Step 1: Verify JWS (signature + payload) using Apple's JWKS const { payload, protectedHeader } = await jwtVerify( signedPayload, appleJWKS, { algorithms: ["ES256"], // Apple uses ES256 for signing } );
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350
May ’25
SubscriptionStoreView Localization Error
Hello! The localization isn't working when using SubscriptionStoreView. The app hasn't been published yet. The subscription has been created and localization strings have been added. Status - ready to submit. Testing environment: Sandbox When calling SubscriptionStoreView, the debug console shows this error: GenerativeModelsAvailability.Parameters: Initialized with invalid language code: ru-RU. Expected to receive two-letter ISO 639 code. e.g. 'zh' or 'en'. Falling back to: ru Despite this, the subscription interface appears in English when Russian is expected. I don't use any locale setting for ru-RU anywhere in my code. The test device's region is set to Russia, and the language is Russian. Any help would be appreciated.
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208
May ’25
Unexpected Change in Apple Refund Handling CONSUMPTION_REQUEST - Impact on Subscription App with AI Backend
We offer a 3-day free trial, and our paywall clearly states that users will be charged after the trial ends. However, some users request refunds after the charge - even after fully using our app for days or even weeks. In some cases, refunds are approved despite the users having consumed our AI processing services for up to a month. Since our app relies on backend AI processing, each user session incurs a real cost. To prevent losses, we utilize RevenueCat’s CONSUMPTION_REQUEST system and have set our refundPreference to: "2. You prefer that Apple declines the refund". Until recently, Apple typically respected this preference, and 90% of refund requests were declined as intended. However, starting about a week ago, we observed a sudden reversal: Apple is now approving around 90% of refund requests, despite our refund preference. As a result, we are operating at a loss and have had to halt both our marketing campaigns and our 3-day free trial. We’re trying to understand whether this shift is due to a change in Apple’s refund policy, or if we need to handle CONSUMPTION_REQUEST differently on our end. Has anyone else experienced similar changes? Any insights would be greatly appreciated.
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341
May ’25
Incorrect storefront country code
Both the legacy StoreKit API and the new StoreKit 2 API return the incorrect storefront countryCode. My actual Apple ID region is Germany, and my Sandbox test user is set to France, yet the SDK consistently returns USA. Expected Results: The returned storefront countryCode should reflect the correct region - sandbox user region if signed in and real user region if not signed in with sandbox). Actual Results: Returned country code is USA with both SKPaymentQueue.default().storefront?.countryCode and await Storefront.current?.countryCode. Signing out/in, device reboot and even reset do not help, I'm stuck with USA storefront.
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Oct ’25
StoreKit 2.0 keep throwing unknown error.
After the release of StoreKit 2.0, the in-app purchase failure rate increased by 63.19%, with the majority of errors being StoreKitError.unknown. When encountering this error, many users repeatedly attempt to make a purchase, but the outcome remains unchanged, resulting in the same unknown error. In some cases, users who wait approximately 2 minutes before retrying the purchase may either succeed or encounter the following error: “StoreKit.StoreKitError.systemError(Error Domain=NSCocoaErrorDomain Code=4097 "connection to service named com.apple.storekitd”)”. This issue has directly impacted our app's purchasing flow. Because our app only displays the promotional purchase offer once, these issues have significantly reduced the number of users successfully completing the offer. As a result, the conversion rate for this promotion has dropped well below expectations, negatively impacting our business metrics.
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1.8k
Feb ’25
StoreKit 2 not loading subscription products
Hi everyone, I’m seeing a strange behavior with StoreKit 2 and I’d like to know if anyone else experienced this. My subscription group “ROTA Premium” (Monthly + Annual) is currently Waiting for Review in App Store Connect. What works In Xcode’s StoreKit sandbox, everything loads correctly: Products appear Trial starts Purchases work What doesn’t work In TestFlight and App Review, StoreKit 2 returns zero products, so my paywall shows: “No subscription options found.” There are: No geo restrictions No backend No VPN/IP filtering Paid Apps Agreement is accepted App Review said the device was online, but couldn’t give technical help. My question Has anyone seen StoreKit 2 fail to load subscription products when the subscription group is still in Waiting for Review? Do subscription groups need to be reviewed together with the app version for StoreKit 2 to return them in TestFlight/App Review? Any advice would be appreciated! Thanks.
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Nov ’25
StoreKit sandbox purchase and product fetch not working (IAPError: storekit_no_response)
💬 Post Content Hello everyone, I’m currently testing In-App Purchases (auto-renewable subscriptions) for my iOS app, and I’m experiencing an issue where the product information cannot be fetched from StoreKit. ❓ Questions For sandbox testing, is it absolutely necessary to submit a new app version for review (with the in-app purchase included)? Or can I test subscriptions without submitting a new build to App Review? Under what conditions does the error IAPError(code: storekit_no_response, source: app_store, message: StoreKit: Failed to get response from platform.) 🧪 What I’ve Tried • Confirmed that the bundle identifier matches the App Store Connect record • Verified that In-App Purchase capability is enabled in Xcode • Ensured the sandbox tester account is logged in (Settings → App Store) • Removed the StoreKit configuration file to use the sandbox environment • Tried both real device and simulator (same error) • Accepted the Paid Apps Agreement in App Store Connect • Products are created but currently not yet submitted for review 🔍 Environment • App type: iOS app built with Flutter (using in_app_purchase plugin) • Build type: Archive build installed via Xcode (Run on device) and testFlight • StoreKit Configuration File: Currently removed (for sandbox test); • Status: Ready to submit in App Store Connect
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Nov ’25
Mismatch between App Store Server API `expiresDate` (July 23) and iOS UI “Expires on” date (July 22) for 1-month subscription
Hi everyone, I’m seeing a consistent one-day discrepancy between the expiresDate returned by the App Store Server API and the “Expires on” date shown in the iOS Settings / App Store subscription list. I’d like to confirm whether this behavior is expected or if I’m misunderstanding the way Apple rounds dates. Reproduction steps Step Action Result 1 Purchase a 1-month auto-renewable subscription on 23 June 2025 14:00 JST (UTC+9) Transaction succeeds 2 Immediately fetch the transaction with GET /inApps/v1/subscriptions/{transactionId} Response contains "expiresDate": "2025-07-23T05:00:00Z" (= 23 July 2025 14:00 JST) 3 On the same device open Settings › Apple ID › Subscriptions (or App Store › Account › Subscriptions) UI shows Expires on: 22 July 2025 The same happens for every monthly renewal and on multiple devices. Region is Japan, device time zone Asia/Tokyo. What I understand so far (and my hypothesis) Apple’s docs say a monthly subscription renews “on the same calendar date” of the next month, so renewal in this example is 23 July. If the renewal is scheduled for 23 July at 14:00 JST, the subscription is fully usable until the end of 22 July in calendar terms, because the new billing period starts the moment the 23rd begins in Apple’s canonical time zone. Therefore, it might be intentional for the UI to display 22 July—i.e., “you can keep using it through the 22nd; on the 23rd it renews.” This hypothesis makes sense internally, yet it still looks confusing to end users who read “Expires on 22 July” and assume access ends at 00:00 on the 22nd, a whole day earlier than in reality. Questions Is showing the day before the renewal date the official/expected behavior? If so, could Apple clarify that the “Expires on” label represents the last full calendar day rather than the exact expiry timestamp? Which value should we surface in-app when telling users “Your subscription is valid until …”? The server’s expiresDate (precise to the second, converted to user time zone), or A UI-style date that’s one day earlier, matching Settings / App Store? Does Apple have a public document describing this rounding/visual convention? Have other developers encountered user confusion about the apparent 1-day “shortening” and, if so, how did you word your in-app messaging? Any insight from Apple engineers or fellow developers would be greatly appreciated. Thank you!
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268
Jun ’25
Can you buy an IAP via StoreKit 1 on iOS 26.2?
If an app on the App Store still uses StoreKit 1 (a.k.a. the Original StoreKit) to handle In-App Purchases, would IAPs work for users who download such app on iOS 26.2? Would the app allow the users to purchase an IAP via StoreKit 1 or would it be impossible to buy the IAP on iOS 26? The iOS Documentation says that SKPaymentQueue (which is a part of StoreKit 1) is "Deprecated" and "No longer supported.", with the support being for iOS 3.0–18.0. Does this mean that apps using StoreKit 1 won't be able to make IAP purchases when running on iOS 26?
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Dec ’25
StoreKit 2 - Is it necessary to finish unverified transactions?
The sample code provided in https://developer.apple.com/wwdc21/10114 doesn't appear to call finish() on unverified transactions, and I haven't been able to find any documentation regarding what to do with unfinished transactions. However, Apple has always emphasized the importance of finishing transactions, and since a transaction object is provided even with the unverified state, I'd love some guidance!
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2.8k
May ’25
AppTransaction.shared doesn’t return originalAppVersion for users who installed the app in 2017
Hi, I'm using the AppTransaction.shared API to retrieve the originalAppVersion, but I'm encountering issues for users who originally installed the app in 2017. Specifically, the property doesn't seem to return the expected value (or returns nil) for these older accounts. I have verified this issue using a real App Store purchase from 2017. Steps to Reproduce: Use a test account that originally downloaded the app in 2017. Call: let shared = try await AppTransaction.shared print(shared.originalAppVersion) Observe that originalAppVersion is missing or not returned correctly. Any insights on whether this is expected behavior for very old App Store purchases, or if there is a workaround to reliably detect the original app version? Thanks in advance!
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May ’25
Can SKOverlay be used to prompt updates for the same app?
According to Apple's documentation, SKOverlay is designed to recommend other applications to users. I'm seeking clarification on whether it also supports displaying update prompts for the host application itself. Use case: My app (for example, HelloDeveloper) is live at version 2.0, but some users are still on version 1.0. I want to display a soft update prompt that allows users to remain in the app. Question: Is it possible to use SKOverlay with my app's App Store ID to present an update option without requiring users to leave the app?
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Oct ’25
AppTransaction: how to use in ObjC apps (now that we are forced to use it after the exit(173) deprecation)
Hello We are developers of a long-running game series and now reports have started to come in that users who install any of our previous games from the Mac App Store on OS X Sequoia are shown a popup claiming "The exit(173) API is no longer available". It's actually a lie, the mechanism is still there, the receipt generation still works and the game still runs afterwards. But the popup is confusing to users therefore we need to update the code. Apparently the replacement for the old receipt generation mechanism is AppTransaction which does not exist for Objective C. We have attempted to use it using the Swift/ObjC interoperability and failed so far. The problem is that we need to call async methods in AppTransaction and all our attempts to make this work have failed so far. It seems as the actor/@MainActor concept is not supported by Swift/ObjC interoperability and without those concepts we don't know how to pass results from the async context to the callers from ObjC. The lack of usable information and code online regarding this topic is highly frustrating. Apple really needs to provide better support for developers if they want us to continue to support the Mac platform with high quality games and applications on the Mac App Store. We would appreciate if anyone can cook up a working sample code how to use AppTransaction in ObjC. Thanks in advance!
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3.7k
Feb ’25
iOS 26 RC: Testflight showing wrong currency for sandbox accounts
My app has in app purchase for subscriptions, available in many countries. When using Sandbox App Store accounts on TestFlight with a locale different from my own in the iOS 26 RC, I'm getting incorrect currency coming back from Product.products(for: identifiers), and so my app displays the wrong price for the locale. However, the actual Apple Pay buy sheet shows the proper currency symbol and currency amount. This did not happen on prior versions of iOS. Is anyone else experiencing this?
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User charged, but .userCancelled returned
Hello, Is anyone else seeing Purchase.PurchaseResult.UserCancelled, despite a successful transaction? I had a user notify me today that he: Attempted a purchase Entered payment credentials Was asked to opt in to email subscription notifications Opted In Was shown my app's "User Canceled Purchase" UI Attempted to repurchase Was alerted that he was "Already Subscribed" I have adjusted my code to check Transaction.currentEntitlements on receiving a .userCancelled result, to avoid this in the future. Is this logically sound? Here is my code - please let me know if you see any issues: func purchase(product: Product, userId: String) async throws -> StoreKit.Transaction { let purchaseUUID = UUID() let options: Set<Product.PurchaseOption> = [.appAccountToken(purchaseUUID)] let result = try await product.purchase(options: options) switch result { case .success(let verification): guard case .verified(let tx) = verification else { throw PurchaseError.verificationFailed // Show Error UI } return try await processVerified(tx) case .userCancelled: for await result in Transaction.currentEntitlements { if case .verified(let tx) = result, tx.productID == product.id, tx.revocationDate == nil { return try await processVerified(tx) } } throw PurchaseError.cancelled // Show User Cancelled UI case .pending: throw PurchaseError.pending // Show Pending UI @unknown default: throw PurchaseError.unknown // Show Error UI } } @MainActor func processVerified(_ transaction: StoreKit.Transaction) async throws -> StoreKit.Transaction { let id = String(transaction.id) if await transactionCache.contains(id) { await transaction.finish() return transaction // Show Success UI } let (ok, error) = await notifyServer(transaction) guard ok else { throw error ?? PurchaseError.serverFailure(nil) // Show Error UI } await transaction.finish() await transactionCache.insert(id) return transaction // Show Success UI } The only place the "User Cancelled Purchase" UI is displayed on my app is after the one instance of "throw PurchaseError.cancelled" above. This happened in Production, but I have also seen userCancelled happen unexpectedly in Sandbox. Thank you for your time and help.
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May ’25