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

StoreKit Documentation

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Clarification on offerIdentifier Behavior in TransactionPayload and Upgrade Scenarios
Hello everyone, I have some questions regarding the behavior of the offerIdentifier property in the TransactionPayload from App Store Server Notifications. When a user redeems an Offer Code, the offerIdentifier field is populated with the respective identifier. However, I am unsure how this field behaves in different scenarios, and I would appreciate any insights or clarification: Does the offerIdentifier persist throughout the subscription lifecycle (from the initial purchase to expiration)? Does it become null once the Offer Code benefits expire? Is it only present at the time of purchase and omitted in subsequent notifications? Additionally, I would like to understand the behavior of the offerIdentifier in the following scenario: A user purchases a lower-tier subscription using an Offer Code. Later, they upgrade to a higher-tier plan, causing the Offer Code benefits to effectively expire. What happens to the offerIdentifier in the transaction for the upgrade? Will it still appear in transactions after the upgrade, or will it be null? I couldn't find explicit details about these situations in the official documentation, so I hope someone here might have experience or knowledge to share. Thank you in advance for your help!
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401
Jan ’25
unable to get subscription products macos iap xcode swift
Hi Apple Support, I am encountering an issue while testing in-app purchases in the sandbox environment. I have created a sandbox tester account Logged out of the App Store and System Settings on my Mac. My main developer account is signed in under Sign In & Capabilities in Xcode. The Bundle ID matches the one configured in App Store Connect. The Product ID I am querying also matches the configuration. Deleting the app and reinstalling. Restarting my Mac. When running my code in debug mode, I observe the following: Running debug build App Store environment: Production [1b294b55] Error updating Storefront: Error Domain=StoreKit_Shared.StoreKitInternalError Code=7 "(null)" Valid products: [] Invalid product IDs: ["com.x.x.x.monthly"] No products found The Product ID (com.x.x.x.monthly) matches the one I have configured in App Store Connect. The bundle id matches. When I create a StoreKit Configuration file in Xcode and sync it with my app, I can see the product IDs correctly. Below are the relevant code snippets for fetching and handling products: func fetchProducts() { guard !productIDs.isEmpty else { print("No product IDs configured") return } let request = SKProductsRequest(productIdentifiers: productIDs) request.delegate = self print("Starting product request...") request.start() } func productsRequest(_ request: SKProductsRequest, didReceive response: SKProductsResponse) { DispatchQueue.main.async { print("Valid products: \(response.products)") print("Invalid product IDs: \(response.invalidProductIdentifiers)") self.products = response.products if self.products.isEmpty { print("No products found") } else { print("products not empty") for product in self.products { print("Fetched product: \(product.localizedTitle) - \(product.priceLocale.currencySymbol ?? "")\(product.price)") } } } } func debugStoreSetup() { if let receiptURL = Bundle.main.appStoreReceiptURL { if receiptURL.lastPathComponent == "sandboxReceipt" { print("App Store environment: Sandbox") } else { print("App Store environment: Production") } } else { print("No receipt found") } } Could you help identify why my app is not recognizing the Product ID in the sandbox environment? Thank you for your assistance.
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Jan ’25
In-app purchases fail: "Password reuse" error?
I'm trying to implement my first in-app purchase, and I've created the IAP in App Store Connect, and created a sandbox account. When I open Settings > Developer in the iPhone Simulator, there is a "Sandbox Apple Account" option at the bottom. If I click the blue "Sign In" link I'm asked for the email and password, so I enter the correct credentials for the sandbox account. The "Sign In" text goes grey for a few seconds, then it goes blue again. It never changes to show that I'm signed in. Should it? (I think so.) Do I need to sign into the Simulator's Apple Account, too? (I don't think so.) Anyway, aside from that, in my app the IAP is listed and I have a button to purchase it. When I click it I'm asked for the email and password to sign into the Apple Account. I enter the correct sandbox email and password (they are definitely correct) and I see this in the Xcode console: Purchase did not return a transaction: Error Domain=ASDErrorDomain Code=530 "(null)" UserInfo={client-environment-type=Sandbox, NSUnderlyingError=0x600000d0c7b0 {Error Domain=AMSErrorDomain Code=100 "Authentication Failed The authentication failed." UserInfo={NSMultipleUnderlyingErrorsKey=( "Error Domain=AMSErrorDomain Code=2 \"Password reuse not available for account The account state does not support password reuse.\" UserInfo={NSDebugDescription=Password reuse not available for account The account state does not support password reuse., AMSDescription=Password reuse not available for account, AMSFailureReason=The account state does not support password reuse.}", "Error Domain=AMSErrorDomain Code=0 \"Authentication Failed Encountered an unrecognized authentication failure.\" UserInfo={NSDebugDescription=Authentication Failed Encountered an unrecognized authentication failure., AMSDescription=Authentication Failed, AMSFailureReason=Encountered an unrecognized authentication failure.}" ), AMSDescription=Authentication Failed, NSDebugDescription=Authentication Failed The authentication failed., AMSFailureReason=The authentication failed.}}} Why is it talking about password reuse? AFAIK, I have only one sandbox account for this app (and none for any of my other apps), and this is the only one of my apps that has an IAP. Any ideas on how to get an IAP working? Thanks!
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2.0k
Jan ’25
Does the Apple Store support variable recurring payments like Stripe?
Stripe offers variable payment structures, also known as "irregular recurring payments," which include: Usage-based billing: Charges amounts based on usage during the billing cycle (e.g., minutes used or energy consumed). Quantity-based billing: Charges a pre-agreed amount based on quantity (e.g., number of users in a subscription). Is it possible to implement this type of billing in the Apple Store for apps? How would variations in amounts be handled?
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361
Jan ’25
Sandbox environment extremely unreliable
I have two sandbox users in App Store Connect, as I'm trying to test in-app purchases and Family Sharing. They're set up fine; I can make purchases in the app. The issue is that the refund request sheet in my app sometimes shows properly and lets me request a refund, but I'd say >80% of the time the sheet just shows "Cannot Connect" with a "Retry" button. Hitting that button doesn't ever result in the sheet showing the refund page. The only fix for this is to delete the app from the device, and restart the device. This has to be a joke, right? I need to be able to test this IAP, and the sandbox environment is useless most of the time. Why? Anyone experiencing this sort of issue?
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Jan ’25
Business model changes by using the app transaction
Hello, I’m trying to change my business model within the app, and following Apple’s documentation guidelines HERE I created this task in the main view of the app. It seems to work perfectly in the simulator, on physical devices, and on TestFlight. However, after releasing it to production and uploading the new version to the App Store, it doesn’t work, and all users, whether new or existing, are asked to subscribe. In the console, it appears to retrieve the transactions correctly, but in production, I’m not sure how to view the console or see what it’s retrieving. Here the sandbox receipt I obtained AppTransaction.shared obtained: { "applicationVersion" : "1", "bundleId" : "com.anestesiaIB.Drugs-Infusion-Calc", "deviceVerification" : "6M0Nnw14nSEOBVTPE\/\/EfnWSwLm7LFSlrpFEwxgH74SBHp5dSzBEm896Uvo42mwr", "deviceVerificationNonce" : "8a8238c0-0aee-41e6-bfb0-1cfc52b70fb6", "originalApplicationVersion" : "1.0", "originalPurchaseDate" : 1375340400000, "receiptCreationDate" : 1737577840917, "receiptType" : "Sandbox", "requestDate" : 1737577840917 } This are the processing log while verified the receipt New business model change: 1.7 Original versionéis components: ["1", "0"] Major version: 1, Minor version: 0 This user is premium. Original version: 1.0 This is my task... .task { do { let shared = try await AppTransaction.shared if case .verified(let appTransaction) = shared { let newBusinessModelVersion = (1, 7) // Representado como (major, minor) let versionComponents = appTransaction.originalAppVersion.split(separator: ".") if let majorVersion = versionComponents.first.flatMap({ Int($0) }), let minorVersion = versionComponents.dropFirst().first.flatMap({ Int($0) }) { if (majorVersion, minorVersion) < newBusinessModelVersion { self.premiumStatus.isPremium = true isPremium = true } else { let customerInfo = try await Purchases.shared.customerInfo() self.premiumStatus.isPremium = customerInfo.entitlements["premium"]?.isActive == true isPremium = self.premiumStatus.isPremium } } else { print("Error: obteining version components") } } else { print("Not verified") } } catch { print("Error processing transaction: \(error.localizedDescription)") } }
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334
Jan ’25
iOS promotional code eligibility
I am implementing promotional codes for auto-renewing subscriptions in my app. I need to create the codes and have them link to a discounted auto-renewing subscription. So my normal 1 month subscription is $24.99, I would like to offer users (new subscribers and existing/expired subscribers) the ability to enter a promo code that discounts the price of the first month to $4.99, then $24.99 after the initial first month. All users, regardless of whether or not they have has a previous subscription or not should be able to use this code for this discount. From what I am seeing in documentation, promo codes are only available to users that have had a subscription previously? Currently I am receiving the response "Offer Not Available" with the error: <SKPaymentQueue: 0x2815f0d60>: Payment completed with error: Error Domain=ASDServerErrorDomain Code=3904 "Offer Not Available" UserInfo={NSLocalizedDescription=Offer Not Available I simply do NOT understand why apple engineers have to make something that should be somewhat straightforward, be SO COMPLEX, then when you try to figure out whats going wrong, no meaningful error to troubleshoot. WTF I have tried this on users that have had a previous subscription and still the same error.
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Jan ’25
Can users create their own subscription plans?
I'm considering developing an app where users can create their own subscription plans by freely setting their prices, similar to YouTube's membership feature. I understand that in-app purchases must be used to unlock features within the app. With that in mind, I searched for APIs to enable this functionality but couldn't find relevant information. When I contacted Apple directly, they mentioned that they couldn't provide specific answers unless the app is under review. If anyone has knowledge about the following points, I would greatly appreciate your response: Is it possible to implement a feature similar to YouTube's membership using in-app purchase APIs? If it's not feasible with in-app purchases, is it allowed to use external payment services like Stripe?
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Jan ’25
inApps/v2/history/ of AppleStoreServerAPI
https://developer.apple.com/documentation/appstoreserverapi/get-v2-history-_transactionid I would like to inquire about the detailed triggers for updating receipts in this API specification. Recently, I was using this API with sort=DESCENDING&revoked=false to retrieve the expiration date of the most recent receipt and determine the subscription status. However, for some reason, an old receipt with an earlier expiration date appeared as the first receipt, and I would like to know the reason for this. Can you provide information on what specific events or actions trigger the updating of receipts in this API? Also, regarding https://developer.apple.com/documentation/appstoreserverapi/status, will statuses 3 and 4 not be returned in the response unless the billing grace period is enabled in the App Store? -- Japanese こちらのAPI仕様ですが、どのようなトリガーでレシートが更新されるのか詳細に伺いたいです。 先日このAPIを使用してsort=DESCENDING&revoked=falseで一番最初のレシートの有効期限を取得して課金状態か判断していたのですが、どういったわけか一番最初のレシートに古い有効期限のレシートが入ってきたので理由を知りたいです。 また、https://developer.apple.com/documentation/appstoreserverapi/status のステータスはAppleStoreで請求猶予期間を有効化しないと3,4はレスポンスされませんか?
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347
Jan ’25
Get Transaction History
https://developer.apple.com/documentation/appstoreserverapi/get-v2-history-_transactionid I would like to inquire about the detailed triggers for updating receipts in this API specification. Recently, I was using this API with sort=DESCENDING&revoked=false to retrieve the expiration date of the most recent receipt and determine the subscription status. However, for some reason, an old receipt with an earlier expiration date appeared as the first receipt, and I would like to know the reason for this. Can you provide information on what specific events or actions trigger the updating of receipts in this API? Also, regarding https://developer.apple.com/documentation/appstoreserverapi/status, will statuses 3 and 4 not be returned in the response unless the billing grace period is enabled in the App Store?
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316
Jan ’25
Transaction.Id from Product.Purchase is different from the transactionId notified by the server notification
Hi, In an auto-renewable subscription scenario, I receive a transaction from Product.Purchase and then send the transaction ID (e.g., 500000000738201) to my API server. After receiving the response, I called transaction.finish(). The account has purchased the subscription before and expired. So it's re-subscribe. And then, I received a RESUBSCRIBE notification from Apple’s server to my API server. I noticed a discrepancy where the transaction ID in the notification is decreased by one (e.g., 500000000738200 instead of 500000000738201). I’m wondering why this discrepancy occurs and how it happens. Best regards, RoyHuang
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285
Jan ’25
Need Objective C code to validate App Store SHA-256 receipt on device
With the imminent suspension of SHA-1 on App Store receipts, we desperately need an objective C code sample demonstrating how to calculate the same SDH-256 hash on device to compared with the hash from the App Store receipt. The forced migration to SHA256 for app store receipts this month mean we have to rewrite our on device receipt validation code. However there is no documentation or objC sample code on how to validate the SHA256 hash from MAS receipts. Thje documentation at https://developer.apple.com/documentation/technotes/tn3138-handling-app-store-receipt-signing-certificate-changes/ does not give any detail on how to validate SHA256. All my 100+ hours of experimentation and trial and error attempting to create a matching SHA256 has on device have failed. We desperately need some ObjC Sample code to validate the SHA256 hash on device. Our existing SHA1 code is still working but we expect SHA1 hashes to disappear from MAS Receipts any day now. Tnanks for any advice !
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430
Jan ’25
How to cancel a subscription made by user in the TestFlight?
when we test in app purchase feature in TestFlight, we realize that TestFlight using our real iCloud account in AppStore, but because the app installed from TestFlight, they know it is still "Testing Phase" so they purchase set to FREE. Now im asking about how to test in app purchase for CANCEL SUBSCRIPTION? I can't found in my real iCloud account, either for my sandbox account inside AppStore settings. Please any response will helpful. Thankyou.
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1.2k
Jan ’25
Subscription Renewals in TestFlight Sandbox Testing
What happens after 12 renewals? Does the subscription expire completely? The next day when I try to manage settings for my sandbox account it says it cannot connect. I cannot see the status of subscription in: Settings-> App Store -> Sandbox Account -> Manage Logging out and logging in of my regular account does not fix that. When I login with a different non-testflight sandbox account I can finally edit those settings. There are some missing details in documentation explaining testflight sandbox accounts. Do these accounts stop working after 12 auto-renewals? I need more specific details in order to ensure subscriptions will work properly during production.
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526
Jan ’25
Handling failed transactions in Storekit 2
When simulating a Storekit error like an invalid device verification or others of that type, should we finish a failed transaction? When I test with a Storekit configuration file, all failed transactions persist after every restart. The Apple-provided sample code for Storekit 2 has transactions finished only when they are successful.
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205
Jan ’25
In app loot purchasing
hI, I’m looking for some clarity on the rules around in app purchasing, so I play a game with in app purchases that you have random odds of getting items out of loot boxes, they split the loot into sections, so featured, mega rare, rare and common. for each of these sections they give a % chance that they show of what chance you have to get an item out of that section, I.e featured is 1.24% and common is 74% ect. my question is should they then have to display the odds of what each item has in those sections as well or is it good enough just to have the sections with % chance? So each section could have 10 items in, should those items have a % next to as well? any advice you can give with this would be appreciated, if needs be I can send picture examples of what I’m explaining
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230
Jan ’25
How do win-back offers displayed for discounted subscriptions?
In all the illustrations of win-back offers, I see an example of "Get 3 months off, then $X/month", as seen below. First, I'm not exactly clear how each configuration translates into an actual offer in practice: If I want to offer 3 months off on an annual subscription, ie. only if the user pays for the annual offer (basically a 25% discount), is that possible? If I set a "Free" type, of 3 months, I guess that would allow the user to cancel before paying for the annual, correct? If I set a "Pay up front" type, with a 25% discount, how would that show up to the user on the App Store? Secondly, is eligibility to an offer determined by the user elapsing on the same subscription or any subscription in the same subscription group? Thank you
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320
Jan ’25