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

StoreKit Documentation

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StoreKitSubscriptionView presents an unfriendly message when network is unavailable
I have a rather simple StoreKitSubscriptionView for my app's single subscription. Question: Am I expected to write code to handle lack of network connectivity? When I run the app on development device, not using the local StoreKit configuration but rather the real app store, if the network is not available I get a not-user-friendly error message instead of the normal SubscriptionStoreView content. I'm uncertain if end-users actually see this. Maybe they see a more appropriate "Cannot connect to App Store, try later" message? Maybe I am supposed to check for network and not present the view if it is not available. I don't recall any mention of this in the WWDC video but I guess I should check again. Ideas anyone?
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398
Dec ’24
Dev Defined IAP Transaction Metadata
I have an app that works by being able to map IAP transactions to a predefined user ID. This means when I consume events from Apple's App Store Server Notifications endpoints I have to do a reverse lookup in order to assign permissions within my app. Workflow: User purchases subscription within the app via IAP. The app persists the subscriptionID from the Apple IAP library in my cloud database (Firestore). Cloud function receives the event from App Store Server Notifications endpoint and looks up the user ID containing the persisted transactionID (with retries to avoid race condition). Question: This workflow works but it seems an improvement would be to allow dev's to append metadata, like the user ID, to the transaction submitted to IAP that we can access within the signedTransactionInfo of the event from the App Store Server Notifications endpoint in order to facilitate a direct lookup of the user document needing it's permissions updated. This would greatly simplify workflows that use non-Apple systems as a source of truth for app permissions. Does this actually exist already? If not, is there a feature request platform?
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42
Mar ’25
IAP Can not Use Sand Box Test
I am currently using StoreKit2 to set up the in-app purchase subscription flow, and I have already configured the subscription products in App Connect. I created a StoreKit Configuration file in Xcode and used it in the scheme. However, after completing the purchase, the transaction.jsonRepresentation data returns a transactionId of 0. After checking the documentation, I found that I need to disable the StoreKit Configuration and enable Sandbox Testing. But after disabling the StoreKit Configuration, I can't retrieve the real product data using Product.products(for: productIds). I can confirm that the ProductId I provided is real and matches the data configured in App Connect. Could you please help me identify the issue?
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168
Feb ’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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320
Jan ’25
StoreKit2 AppTransaction originalPurchaseVersion
I am looking to move from paid app to fremium without upsetting my existing users. I see WWDC2022 session where new fields introduced in iOS 16 are used to extract original application version user used to purchase the app. While my app supports iOS 14 and above, I am willing to sacrifice iOS 14 and go iOS 15 and above as StoreKit2 requires iOS 15 at the minimum. The code below is however only valid for iOS 16. I need to know what is the best way out for iOS 15 devices if I am using StoreKit2? If it is not possible in StoreKit2, then how much is the work involved in original StoreKit API(because in that case I can handle for iOS 14 as well)?
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678
Jan ’25
TN3138: Handling App Store receipt signing certificate change
Hi (from France) I have a MacOS application which handles the App Store receipt by requesting at the url "https://buy.itunes.apple.com/verifyReceipt". From the response, I can know what are the inApps bought by the user and that suits for me. I don't know if if I must change something in my code accordingly to this TN3118. Does someone knows the response ? Best regards.
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395
Jan ’25
App Store Receipt Availability After Pre-order Install and Future Deprecation Concerns
Hi Apple Developer Team, I'm looking to confirm some technical details regarding the pre-order flow and App Store receipt handling. Specifically, I have the following questions: Q1: After a user installs an app via pre-order and launches it for the first time, will a valid App Store receipt be available immediately via [[NSBundle mainBundle] appStoreReceiptURL]? Are there any known cases where the receipt might be missing or invalid, requiring a manual refresh (e.g., via SKReceiptRefreshRequest)? Q2: Is the pre-order flow currently supported in the sandbox environment? Specifically, is it possible to simulate pre-ordering an app and installing it in a sandbox or TestFlight environment, in order to test receipt generation and related logic? https://developer.apple.com/documentation/appstorereceipts/responsebody/receipt Q3: The receipt field in the App Store receipt structure is marked as deprecated. Is it still acceptable to use this field for validating receipts? Has Apple announced any timeline or system version in which this field will be fully removed or unsupported?
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67
Jun ’25
Products not showing in app
Hello everyone, I want to set up subscriptions but I'm having problems testing them. Indeed, when I use the storekit file to view the subscriptions it works, I see the subscriptions and I can subscribe in XCODE mode. However, I'd like to go further and test with server notifications. So I removed the storekit file from the scheme, but I can't retrieve the products. The application doesn't retrieve any products.. I've been stuck on it for 2 weeks... I checked the contracts and put in all the information last Friday and everything is validated. I tested it in testflight mode, and it doesn't recognize any products! Just so you know, I use the original API for maximum compatibility.
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561
Dec ’24
Sandbox accounts in production being used for Fraud
Starting a few months ago, we noticed that we are receiving sign-ups to our application using Sandbox accounts. These accounts were not created by us, and certainly do not show up under Sandbox users on App Store Connect. When we setup In App Payment, our server side validation followed the guidance to always allow sandbox receipts (see https://developer.apple.com/documentation/appstorereceipts/verifyreceipt). I think we assumed that only Sandbox users that we setup in App Store connect would be allowed to be used with our app. Another assumption was that Apple reviewers could create Sandbox accounts to use to test our IAP sign-up during app review. How are other developers preventing fraudulent sign-ups from sandbox accounts? Has something changed with In App Payments this year related to sandbox accounts?
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433
Dec ’24
Download ID in AppTransaction
Hello, I would like to draw your attention to the following imperfection. For validating purchases of my paid application Guru Maps Pro, I use the download id. This is a unique ID that can replace the Transaction ID for paid applications. However, with the release of the new AppTransaction API, this field is no longer present in the data. I tried parsing the receipt, but that field is absent there as well. The only way to obtain the download id is to send the receipt to the deprecated /verifyReceipt endpoint. This deprecated status concerns me, because at some point it might stop working. Let me explain a little about why I need this. My users have a guru-account, which they can use both in the web version and on Android. When a user purchases the paid version of the application, they can access the paid features on both web and Android. This works great for in-app purchases, where there is a transaction ID, but it may soon stop working for paid applications because there is no way to determine any ID associated with the purchase. Transaction ID or Download ID – I don't mind which.
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309
Feb ’25
Invalid currency symbol
Strange issue with currency display in subscription products Hi everyone, I'm facing a strange issue in my app where I use a subscription-based in-app purchase model. The products I created in App Store Connect are all in "Approved" status. I've tested with both RevenueCat and StoreKit, but the result is the same. Here are the products being loaded: Product loaded: weekly_product_id Display name: Weekly Pro Description: Weekly Pro Subscription Price: ₺229,99 Product loaded: annual_product_id Display name: Annual Pro Description: Annual Pro Subscription Price: ₺1.799,99 Even though I can see the correct prices and currency (Turkish Lira) in the Xcode debug console, on my real device the currency appears as Philippine Peso, as shown in the attached screenshot. Interestingly, in the iOS simulator, it's displayed in USD. I've double-checked and my device's region settings are set to Turkey. Any ideas on what could be causing this? And more importantly, how can I fix it? Thanks in advance!
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80
Apr ’25
Operation of Server Notifications V2 when Apple account is withdrawal
Please allow me to confirm the Server Notifications V2 specification. I am aware that if withdrawal an Apple account that has a subscription, the subscription will eventually be cancelled. Regarding Server Notifications V2 notifications with a notificationType of EXPIRED, am I correct in thinking that they will be sent when the subscription expires even if the Apple account is withdrawal?
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283
Feb ’25
Advanced commerce API - dynamic subscriptions
Hello, We have been approved for the Advanced commerce API and we are trying to implement dynamically created subscriptions via the SubscriptionCreateRequest. We followed the Sending Advanced Commerce API requests from your app (https://developer.apple.com/documentation/storekit/sending-advanced-commerce-api-requests-from-your-app) documentation but we are not able to make it work correctly. We created a generic subscription in the Appstore connect, product ID: com.example.subscription Then in the app we load the subscription: try await Product.products(for: ["com.example.subscription"]) We do the JWS serialization on our backend and then we wrap the jwt and convert it to Data in the app as this: let request = """ { "signatureInfo": { "token": "\(result.signedPayload)" } } """ let advancedCommerceRequestData = Data(request.utf8) Lastly, we apply the purchase options on the generic product as this: try await product.purchase( options: [ Product.PurchaseOption.custom( key: "advancedCommerceData", value: advancedCommerceRequestData ) ] ) It doesn't show any error, but on the payment sheet it shows the data from the generic subscription and not the data that was in the SubscriptionCreateRequest. Here is an example of the generated jwt: eyJraWQiOiI4V0tNQjhLWTI0IiwidHlwIjoiSldUIiwiYWxnIjoiRVMyNTYifQ.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.kJ0f_q2A11Mn9OBmvX6SRmtW5P--volFTVcq_Gohs3N51ECfZqS3WHOxOZc7aojq_qiUHGFp_evmHP51f3LzSw
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171
May ’25
repeat subscription
After the user initiates the subscription payment, the SDK returns an error type: user cancels. When the user initiates the payment again, Apple will deduct the payment twice and successfully deduct the previously cancelled SKU. This is a recent occurrence with a large amount of data, and the app has not been upgraded in any way. We need to seek help. Thank you
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187
Mar ’25
How to handle subscription notifications with future purchase date
Our app server has subscription feature and processes purchase life cycles based on App Store Server Notification v1. Last year, when users purchased subscriptions during the following timeframe, we received "INITIAL_BUY" notifications with "unified_receipt.Latest_receipt_info.purchase_date" set to future date(approx. 1 hour after the actual purchase). 2024-11-03 08:00:00 - 2024-11-03 09:00:00 Etc/GMT (UTC) For example, we received the following v1 notification at 2024-11-03 08:36:33 Etc/GMT. "notification_type": "INITIAL_BUY" "unified_receipt.latest_receipt_info[].purchase_date": "2024-11-03 09:36:02 Etc/GMT" Our server grants subscription entitlement based on "purchase_date" so the users had to wait 1 hour before the subscription features became available. The timeframe coincided with the end of daylight saving time in the U.S., so we assume that it affected the behavior, but our country doesn't adopt daylight saving time. We have some questions regarding this behavior. In countries without daylight saving time, how should we handle such notifications with future purchase date in order to properly grant subscription entitlement? In App Store Server Notification v2, could purchase date be set to future date at the end of daylight saving time in the U.S., just as in v1 notifications? JWSTransactionDecodedPayload.purchaseDate
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72
May ’25
"Bug description: We were unable to tap on 'Upgrade to Pro' button."
Hey guys, I am developing a habit tracker app right now. I know it's basic but it's my first app and I wanted an easy start but this is more of a struggle than I thought. So I am trying to publish my app fully on the App Store however everytime I do there is some kind of bug with it. But when I test it, it works perfect for me. Anyways, in this case the reviewer said when they go to the pro page of my app to purchase a pro subscription and try to press upgrade to pro nothing pops up. It pops up normally for me on my iPhone but not other devices. I wanted to make sure if this was normal or if there is something I am supposed to fix. Any help is appreciated. Thank you.
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61
Mar ’25
Conversion tracking with the SKAN
Hello all, We developed an iOS app which we started advertising now. In our iOS app we already implemented the updatePostbackConversionValue(_:completionHandler:) to send in-app events in increasing numbers (first open -> 1, lead ->2, conversion -> 3). From our understanding this should be enough for alle ad networks (Apple Ads, Google Ads, Meta Ads, Microsoft Ads and Reddit Ads) to receive those numbers - at least they receive the app installs from the SKAN already. Is this correct or do we miss something here in the integration? We currently really struggle to assure that everything is working and we do not see any conversions coming in - even though two weeks of advertising have passed already. I look forward for any feedback or discussion and I am also happy to share more details if needed. Best regards, Manuel
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45
Jun ’25
iOS in-app purchasing in Unity app
Hi everyone, I am working on a Unity iOS app. I am adding in-app purchasing in my app. I have added Unity IAP to the Unity project, as well as the code for initialising and purchasing a subscription with the product ID. I have also added my certificates and provisioning profile in Xcode with in-app purchasing capabilities. Also, I have set up an App Store Connect page with a non-renewing subscription with a unique product ID and all required information. The subscription status is ready to submit. I have added a sandbox tester account in it. In unity editor, it is working fine with fake purchase receipt. While testing in an iOS device, apple ID is logged out. But there is an error occurs everytime : IAP not initialized. Also I have uploaded a newer version of app on app store connect, it is in waiting for review status. Is there any step or something I am missing that it is not working in iOS device? Please help
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131
Mar ’25