Prioritize user privacy and data security in your app. Discuss best practices for data handling, user consent, and security measures to protect user information.

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Screen Time API / Device Activity
Hello I am wondering how and if it even is possible to grab the amount of times a user has opened a specific app. Of course these apps will be selected for tracking by the user through the FamilyControls API, but is it possible to then list those selected apps and their amount of openings? I know Screen Time API is very strict with giving developers control of this information outside of just displaying a view so I don't know if this is possible. I saw that DeviceActivityData.ApplicationActivity has a value called "numberOfPickups" but I'm not sure how to access that value and display it in my app. Thank you
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Dec ’24
"Apps Using Apple ID" list & Apple's Private Relay
Hello, We plan to remove our app from the App Store. This post aims to determine whether our company can rely on Private Relay to compensate our customers. Our Challenge: Gift Card Refunds with Private Relay Some customers purchased gift cards through our app using Apple's "Private Relay" during account creation. To process refunds, we need a way to identify these customers. Our system relies on email addresses, which are masked by Private Relay. Potential Solution: Apps Using Apple ID We're exploring "Apps Using Apple ID" as a possible solution for customers to share their Private Relay addresses for refund purposes. Under what circumstances will an app cease to appear in the "Apps Using Apple ID" list? What conditions must be met to initiate a new Private Relay connection for the same user and application? For example, would using the same Apple account to sign into the app on a different device trigger a new Private Relay? Thank you for your help!
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331
Jan ’25
What personal data is included in iOS storage logs
While I was submitting a new feedback today for an iPhone/iPad storage issue, I saw a new log called “iOS storage log”. I could find no reference to this when I searched online. It made me wonder if it was new and if it contained personal data? Most of us only have one device, with all our personal data. Therefore, I’d appreciate any input on what personal data these logs contain.
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125
Jul ’25
Which in-app events are allowed without ATT consent?
Hi everyone, I'm developing an iOS app using the AppsFlyer SDK. I understand that starting with iOS 14.5, if a user denies the App Tracking Transparency (ATT) permission, we are not allowed to access the IDFA or perform cross-app tracking. However, I’d like to clarify which in-app events are still legally and technically safe to send when the user denies ATT permission. Specifically, I want to know: Is it acceptable to send events like onboarding_completed, paywall_viewed, subscription_started, subscribe, subscribe_price, or app_opened if they are not linked to IDFA or any form of user tracking? Would sending such internal behavioral events (used purely for SKAdNetwork performance tracking or in-app analytics) violate Apple’s privacy policy if no device identifiers are attached? Additionally, if these events are sent in fully anonymous form (i.e., not associated with IDFA, user ID, email, or any identifiable metadata), does Apple still consider this a privacy concern? In other words, can onboarding_completed, paywall_viewed, subsribe, subscribe_price, etc., be sent in anonymous format without violating ATT policies? Are there any official Apple guidelines or best practices that outline what types of events are considered compliant in the absence of ATT consent? My goal is to remain 100% compliant with Apple’s policies while still analyzing meaningful user behavior to improve the in-app experience. Any clarification or pointers to documentation would be greatly appreciated. Thanks in advance!
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97
Jun ’25
Why doesn't FinanceKit return transaction location?
Pretty much the headline. the func transactionHistory() needs to return the transaction location. This seems so rudimentary, yet it is missing from the docs. Unless I'm missing something, please add this feature or point me in the right direction. Alternatively, is there a way for my app to get notified of the transaction immediately as it happens? I have to get transactions historically which leaves me with no way to determine where they happened in the past.
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259
Jan ’25
why prepareInterfaceToProvideCredential does call
we develop extension "Autofill Credential Provider" function for passkey. 1.first step registe passkey 2.second step authenticate with passkey step 1 & step 2 has finished and run success with provideCredentialWithoutUserInteraction. But we want to prepare our interface for use to input password and select passkey what the want. however the func prepareInterfaceToProvideCredential in ASCredentialProviderViewController does call? what i missed? how can i do it?
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102
Jul ’25
How to use App Attest Environment?
Hi, I'm looking at adding App Attest to an app, and I think I understand the mechanics of the attestation process, but I'm having trouble figuring out how development and testing are supposed to work. Two main questions: The "App Attest Environment" -- the documentation says that attestation requests made in the .development sandbox environment don't affect the app's risk metrics, but I'm not sure how to actually use this sandbox. My understanding is that one of the things App Attest does is to ensure that your app has been appropriately signed by the App Store, so it knows that it hasn't been tampered with. But the docs say that App Store builds (and Test Flight and Developer Enterprise Program) always use the .production environment. Does App Attest actually work for local developer-build apps if you have this entitlement set? Presumably only on hardware devices since it requires the Secure Enclave? Does our headend have to do something different when verifying the public key and subsequent attested requests for an app that's using the .development sandbox? The docs do mention that a headend server should potentially track two keys per device/user pair so that it can have a production and development key. How does the headend know if a key is from the sandbox environment? Thanks!
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108
Jun ’25
How to update the lock icon and text on the initial unlock Screen with SFAutorizationPluginView.
Step1. Update system.login.screensaver authorizationdb rule to use “authenticate-session-owner-or-admin”( to get old SFAutorizationPluginView at Lock Screen ). Here I will use my custom authorization plugin. Step 2. Once the rule is in place, logout and login, now click on Apple icon and select “Lock Screen”. Is there a way programmatically to update the Lock Icon and the test getting displayed on the first Unlock screen? When I write a custom authorisation plug-in, I am getting control of the text fields and any consecutive screen I add from there on. But all I want is to update the lock icon and text fields on 1st unlock display itself. Can you please suggest how I can achieve this? Here is the screenshot with marked areas I am looking control for.
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111
Jun ’25
Incorrect Branding and Messaging Displayed on "Call Customer Center" Feature
We’ve identified an issue in our app where, upon clicking the "Call Customer Center" button, users are unexpectedly shown a logo and message option on a native pop-up window. However, this wasn't the case before, and it should only display a phone number to dial, which was given inside our code. This is incorrect and misleading for our users, as: We are a Canadian-based service and have no affiliation with US messaging chat. The messaging feature was never enabled or intended for our app. Our app should only initiate a phone call to our customer support center — no messages or branding from third parties should appear
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Jun ’25
Privacy Resources
General: Forums topic: Privacy & Security Forums tag: Privacy Developer > Security — This also covers privacy topics. App privacy details on the App Store UIKit > Protecting the User’s Privacy documentation Bundle Resources > Privacy manifest files documentation TN3181 Debugging an invalid privacy manifest technote TN3182 Adding privacy tracking keys to your privacy manifest technote TN3183 Adding required reason API entries to your privacy manifest technote TN3184 Adding data collection details to your privacy manifest technote TN3179 Understanding local network privacy technote Handling ITMS-91061: Missing privacy manifest forums post Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com"
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Jul ’25
App Attest server unreachable – DNS or firewall issue suspected
Hello, We are working on integrating app integrity verification into our service application, following Apple's App Attest and DeviceCheck guide. Our server issues a challenge to the client, which then sends the challenge, attestation, and keyId in CBOR format to Apple's App Attest server for verification. However, we are unable to reach both https://attest.apple.com and https://attest.development.apple.com due to network issues. These attempts have been made from both our internal corporate network and mobile hotspot environments. Despite adjusting DNS settings and other configurations, the issue persists. Are there alternative methods or solutions to address this problem? Any recommended network configurations or guidelines to successfully connect to Apple's App Attest servers would be greatly appreciated. Thank you.
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99
May ’25
requestTrackingAuthorization stuck in .notDetermined
When developing and testing using my phone I got prompted for allowing app tracking. I later uploaded a build to TestFlight, deleted the old testing app and installed the TestFlight build. I am now stuck in an infinite loop of not getting prompted for allowing app tracking for the app. When entering the app settings the toggle for tracking never appears which leaves me not able to enter the app's content. My guess is that the prompt can only be shown once for the app bundle, but there has to be a way for me to get prompted again without changing the app bundle id. Help is appreciated since this app is scheduled to be published in a week.
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99
May ’25
Password AutoFill does not pick up saved password in developer mode
Without developer mode, I was able to get Password AutoFill to work in my SwiftUI app with my local Vapor server using ngrok and adding the Associated Domains capability with the value webcredentials:....ngrok-free.app and the respective apple-app-site-association file on my local server in /.well-known/. (works on device, but not in the simulator). However, if I use the developer mode (webcredentials:....ngrok-free.app?mode=developer) it only works halfway when running from Xcode: I get asked to save the password, but the saved passwords are not picked up, when I try to login again. Neither on device, nor in the simulator. If I remove the ?mode=developer it seems to work as expected. Is this by design, or am I missing something? var body: some View { ... Section(header: Text("Email")) { TextField("Email", text: $viewModel.credentials.username) .textContentType(.username) .autocapitalization(.none) .keyboardType(.emailAddress) } Section(header: Text("Passwort")) { SecureField("Passwort", text: $viewModel.credentials.password) .textContentType(.password) } ... }
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139
May ’25