The Apple Developer Program License Agreement has been revised to support new features and updated policies, and to provide clarification. Please review the changes below and sign in to your account ...

We give developers powerful APIs to build incredible capabilities into their apps for Apple products, backed by a set of ...

Get tips on submitting your iPhone Duo app, sign up for new iPhone Duo Group Labs, browse new activities, explore localized ...

Phone Duo will be available to customers starting October 23, 2026. To get your apps and games ready today, you can:Build or ...

Make sure your app is ready for iPhone Duo on day one. Run the app resizability skill, fix layout patterns, and test resizing to help your app shine.