iPhone Duo ships October 23: recompile with Xcode 27.1
Apps and games optimized for the new device can be submitted in App Store Connect now.
iPhone Duo will be available to customers starting October 23, 2026, and Apple says to recompile existing apps with Xcode 27.1, which adds development support for iPhone Duo. You can submit iPhone Duo optimized apps and games in App Store Connect today.
Updated screenshot and app preview specifications are also available for the latest Apple devices, including iPhone Duo, covering different orientations.
Apple's announcement does not say what happens to apps that are not recompiled before launch, or which APIs are new for the device. The Xcode 27.1 release notes are the place to look for specifics.
Sources
- Prepare and submit your apps for iPhone Duo Primary Apple Developer News
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