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

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

The original Developer ID Certification Authority (Sub-CA) expires on February 1, 2027. Certificates issued by this authority will stop working on that date.What to do: Check if you’re affected. In ...

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

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.

Get tips on submitting your iPhone Duo app. Sign up for new iPhone Duo Group Labs. Join us for a new developer event on speed and efficiency. Explore localized documentation. Browse new App Store ...

Sign up for new Group Labs to ask questions, get answers, and follow the discussion about all things Duo. Explore best practices, templates, and specifications for ...

Icon Composer Icon Composer lets you create layered icons out of Liquid Glass from a single design for iPhone, iPad, Mac, and Apple Watch. A multi-layer icon format allows you to craft your icon and ...

To ensure getting started with a large cloud model is as accessible as possible, developers in the App Store Small Business Program with fewer than 2 million first-time App Store downloads will be ...

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Launch your app on a simulated iOS, iPadOS, tvOS, visionOS, or watchOS device, or on a physical device paired with your Mac. To test your app, build and run it on a simulated or physical device. Use ...