On April 26, 2020, iOS/iPadOS/tvOS 14.5 and the enforcement of the AppTrackingTransparency (‘ATT’) go into effect.
Apple, in centralizing control over data collected on iOS, is rejecting apps from the App Store, essentially 50,000 apps at a time.
For example, the App Store recently rejected updates to an app that used a third party software development kit (“SDK”) from Adjust. As a result of the SDK and according to Apple (as reported by Forbes):
“[Your app]…collects user and device information to create a unique identifier for the user’s device [via fingerprinting] … Per section 3.3.9 of the Apple Developer Program License Agreement, neither you nor your app can use any permanent, device-based identifier … for … Continue Reading