Learn about using in-app purchase and StoreKit framework to sell items within your apps, like premium content, virtual goods, and subscriptions.| Apple Developer
TestFlight makes it easy to test beta versions of apps and App Clips to provide valuable feedback to developers before they release their apps on the App Store. Developers can invite testers through email or a public link. When you test a beta app or App Clip, Apple collects and sends crash logs, u…| App Store