StoreKit

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

StoreKit Documentation

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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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192
Mar ’25
Business model change confusion: premium -> freemium (originalAppVersion)
Hi 👋! I want to switch the business model in my app from premium to freemium and do it gracefully for existing users. Essentially, I wish to provide newly-paywalled content for free to existing paid users (people who bought the original app). It seems clear that I should be using appTransaction's originalAppVersion property to check against purchases made in a previous version of the app, per the documentation. However, there seems to be broad confusion over whether originalAppVersion returns the version number or the build number and how to test for it. Examples of confusion can be found here, here and here. This lack of clarity seems especially dangerous due to the difficulty in testing these values. In the sandbox originalAppVersion returns 1.0 by default, so whether you design for version number or build number, you'll always return a positive as long as your value is more than 1. There is a real risk to unknowingly either never identify previous premium users or accidentally identify everyone as premium (essentially giving away your app for free). For example, my app's current version number is 1.4.0 and build number is 18, so 1.4.0 (18). As this is a major change, for this new update I might as well go for version number 2.0.0, and let's say I release the app with build number 5, so 2.0.0 (5). If I expect originalAppVersion to return the version number, I would match it against 2, because anything before 2.0.0 needs to be marked as premium. However, if I expect the build number, I should check against 19 and respectively bump up my build number: 5 -> 19. In the standard version/build "v.v.v (b)" format, does originalAppVersion return app version or app build? If it indeed does return build, and not version, I guess I'll start all of my future build numbers from 100 just in case: 2.0.0 (100). The only way I imagine I can test this is to print the value on the visual interface in a live version of the app, and ask a random user 🤷‍♂️.
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340
Mar ’25
app signatures do not appear in sandbox
I've been trying to make my app available on the App Store for a month now, but I can't because the signatures I created don't appear in the sandbox app. I did all the configuration in the store and in the app. I tested the same code in another app with signatures and it was loaded, but the signature for that specific app doesn't appear. I've tried contacting Apple support, but they can't help me. It almost seems like it's on purpose. I'm treated like crap and they don't even give me an explanation about what's happening. Can anyone help me?
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168
Mar ’25
Best way to share subscriptions between iOS and watchOS apps
I'm working on a watchOS app that has an iOS counterpart. There will be a subscription required to unlock functionality and I would like the user to be able to make the purchase on either the iPhone or the watch and have both apps unlock. The first link below says that StoreKit 2's Transaction.currentEntitlements will not work in this case like it does with extensions. The second link says it might work but doesn't in the sandbox. What is the best way to make this work? Will it just work in the App Store? Should I use WCSession to send the purchase information from one platform to the other and store it in the keychain? Something else? Via https://www.revenuecat.com/blog/engineering/ios-in-app-subscription-tutorial-with-storekit-2-and-swift/ "Transaction.currentEntitlements can be used in extensions the same way it was used in the previous steps. This works for extensions like Widgets and Intents. However, an iOS app with a companion watchOS app will not work even though Transaction.currentEntitlements can be executed in it. A companion watch app does not stay updated with the same transaction history as its iOS app because they are separate platforms." Via https://developer.apple.com/forums/thread/739963 "In TestFlight I was able to confirm that the Watch app and IOS app share in-app purchases. It seems the problems confirming this with Storekit and Sandbox are limits of the testing environments."
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292
Mar ’25
Transitioning a freemium app to StoreKit 2
I'm currently working on transitioning to StoreKit 2. In order to see if my users are legacy users who purchased the app before I implemented an in-app purchase, I am trying to use the original purchase date for the app. Unfortunately, it's returning 0 seconds since 1970. func updateOriginalPurchaseStatus() async throws { let transaction = try await checkVerified(AppTransaction.shared) self.originalPurchaseVersion = transaction.originalAppVersion self.originalPurchaseDate = transaction.originalPurchaseDate } This is from the transaction: [3] = { key = "originalPurchaseDate" value = number (number = 0) } Currently trying to figure out when I actually purchased the app, but it might be as early as 2012. And I likely used a download code.
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246
Mar ’25
My storekit recurring monthly subscription is never expiring
Hi all, I have a simple prototype subscription for a recurring monthly for $0.29 cheap! And it works great! But it only works great at sub time. It's stuck in the sandbox, constantly giving me "currently subscribed" status even though I’ve done a bunch of things: Force-quit the app. Deleted and re-installed it. Rebooted my phone. Signed out of media purchases. Looked on AppStore connect to try to find anything that seems like it’d let me fix this All efforts in vain. I'm trying to avoid fully logging out of my iCloud account on my phone. Any other thoughts?
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Mar ’25
IOS IAP initialization failed: NoProductsAvailable - No Product returned from store but this app works on Android and google play store
works perfectly on android but doesn't work at all on IOS and i have used the same bundle id and product ids on both stores. The error that i get on IOS is : "IAP initialization failed: NoProductsAvailable - No Product returned from store" Here are the things that i've done: Created an App ID on the apple developer portal with the correct capabilities I have enabled the correct capabilities on the xcode project Unity Framework is embed and signed, Storekit (do not embed) In singin and capabilities in-app purchases is there I am using testflight to submit the app with a distribution certificate that appears to be valid I've checked the the bundle identifier and it's the same everywhere (unity project, xcode project, App ID) All of the products are cleared for sale and are in the status "ready to submit" I always uninstall the old app version before testing the new one My banking updates are still processing does this effect TestFlight IAP Paid Apps Agreement is in Pending User Info state does this effect also I still haven't filled out the tax forms, so I'm wondering if I need to complete them before my app's in-app purchases (IAPs) work in TestFlight.
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456
Mar ’25
I see purchase price instead of install app button in app store page
I've just released my first on app store. I have monthly renewing subscription on my app, there is no pay wall for few days. When I look at my app store page after release it shows me app price upfront instead of users download the app. I know I have subscription, but I don't want it to be upfront before install I know other store that have the same model and users get to download their app. What am I missing?
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166
Mar ’25
Issue with In-App Subscription Payments – Pending Transactions
Hi, I am experiencing an issue with in-app subscriptions in my React Native application known-singles, using the react-native-iap library. When a user subscribes to a plan, the transaction executes successfully, and a receipt is returned. However, the transaction remains in a pending state indefinitely and does not update. Additionally, the transaction amount is not deposited into my bank account, even though all banking details are correctly set up in App Store Connect. We have thoroughly debugged the issue on our end but could not identify the cause. TestFlight transactions complete successfully, but real purchases remain stuck in pending status. Here are the relevant details of our implementation: React Native version: 0.60.4 react-native-iap version: 4.2.2 Could you please assist in resolving this issue? Any guidance on why transactions are not being completed and why payouts are not being processed would be greatly appreciated. Looking forward to your support.
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210
Mar ’25
【iOS18.2~18.3.2 bug】After switching sandbox accounts in Settings, the value of SKStorefront.countryCode is not synchronized
Problem Description: 1、I have two sandbox accounts from different countries. Account A is from Mainland China (CHN), and Account B is from the United States (USA). When I switch the sandbox account from Account A (CHN) to Account B (USA) in the system settings and restart the app, the value of SKPaymentQueue.defaultQueue.storefront.countryCode always returns "CHN" instead of the expected "USA". 2、This issue only occurs on iOS 18.2 and above. 3、On the same device running iOS 17.5.1, the behavior is correct. However, after upgrading the system to iOS 18.3.2, the error occurs. 4、In the sandbox environment, although SKStorefront.countryCode returns the wrong value, the currency type for Apple's in-app purchase is correct when initiating the payment. 5、The issue only exists in the sandbox environment and does not occur in the App Store-downloaded package. Demo Code: - (IBAction)clickButton:(id)sender { NSString *appStoreCountryCode3 = SKPaymentQueue.defaultQueue.storefront.countryCode; NSLog(@"%@",appStoreCountryCode3); } Demo Testing Steps and Results: 1、Sandbox Account A (China) will print "CHN". 2、Go to Settings - Developer - (at the bottom) SANDBOX APPLE ACCOUNT, and switch to another sandbox account B (USA). 3、Restart the Demo App. 4、Print results: iOS 17.5.1: "USA" ✅ → Upgrade the system of the same device to iOS 18.3.2 → "CHN" ❌ iOS 18.2.1: "CHN" ❌ iOS 18.3.1: "CHN" ❌ iOS 18.3.2: "CHN" ❌ Possible Clues: Starting with iOS 18.2, Apple changed the entry point for setting up sandbox accounts, which introduced this bug. It seems that when users switch sandbox accounts on iOS 18.2, Apple engineers forgot to notify the SKStorefront class to update the countryCode value. Before iOS 18.2: Settings - App Store - Sandbox Account iOS 18.2 and later: Settings - Developer - (at the bottom) Sandbox Account Although it doesn't affect the App Store package, it does impact our development and testing process. We hope this issue can be fixed in future versions. Thank you!
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874
Mar ’25
Auto Renew Subscription Model
Hi, I want to offer an auto-renewable subscription (e.g., $1/month) that grants users (10 document analyses per month), with the count resetting at the start of each billing cycle. -Unused analyses will not roll over to the next month- Additionally, any analyses generated while the subscription is active will remain accessible to the user permanently, even if they cancel the subscription. The paywall, app description, and metadata will clearly state that the subscription grants (10 document analyses per month with no rollover) We want this to be implemented as an auto-renewable subscription model, not as a consumable service or a token/credit system (which we want to avoid). Is this model acceptable under Apple’s guidelines, or would it be considered a token/credit system? Any insights or alternative suggestions would be appreciated.. Thanks
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315
Mar ’25
The operation could not be completed. (Error 2 in SKErrorDomain.) during subscription upgrade
I have a renewing monthly subscription in my app and recently added upgrade possibilities to yearly and 6 month subscriptions. Those new subscriptions were reviewed, approved and published to App Store. I'm showing a modal for users in the app from where they can upgrade their subscription. Upgrading was tested with real devices on Sandbox and TestFlight. There has been successful purchases through the in app modal in production app, and directly upgrading from App Store. However, for some users there seems to happen a failed transaction with paymentCancelled error code during the upgrade. The IAP is still successful, their subscription is upgraded and they haven't voluntarily canceled the IAP. The localized description of the error is "Toimintoa ei voitu suorittaa. (Virhe 2 kohteessa SKErrorDomain.)" which translates to "The operation could not be completed. (Error 2 in SKErrorDomain.)" These users have various iPhones (iPhone 12 Pro, iPhone 14 Pro, iPhone 15 Pro, iPhone 16 Pro) with up to date iOS versions (>= 18.3.1). I'm receiving DID_CHANGE_RENEWAL_PREF (UPGRADE) server notification of these purchases on my server. I haven't been able to reproduce this error myself. Any ideas why StoreKit might fail the transaction with paymentCancelled error but still successfully upgrade the subscription?
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173
Mar ’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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70
Mar ’25
External Link Account Modal language
Hi All, We are developing our app with an approved External Link Account Entitlement. During the development process (such as installing from Xcode or creating an Ad-hoc build and installing it on a phone), the open() function of the External Link Account API displays the modal our native language. The app only localized to that language. However, after uploading the app with the same configuration to TestFlight, the modal somehow appears in English instead. What could be causing this issue with the External Link Account modal? How can the open() function display the modal in another language when installed from Xcode or an Ad-hoc release build, but in English when installed from TestFlight? How can we show only our native lanugage version only to our Users? Thank you in advance
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165
Mar ’25
Old developer account still receiving payments after migration
Hi, I've migrated my app to another developer account more than half a year ago, but I'm still receiving a few transaction payments in the old developer account, which currently has no app. The payment date shown in the report is last month. I'm wondering how could this happen. Is it possible for users to initiate a transaction half a year ago and only successfully pay it now?
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69
Mar ’25