Apple opens submissions for iPhone Duo-optimized apps
Apple has opened submissions for apps and games optimized for iPhone Duo, which will reach customers on October 23, 2026. Existing apps can be recompiled with Xcode 27.1, which adds development support for the new device.
Device Hub in Xcode lets developers inspect how their interfaces behave across the foldable device’s different poses and orientations. Apple has also published updated specifications for App Store screenshots and app previews, together with a preview tool for checking how a product page will look on iPhone Duo before submission.
Duo-optimized apps can be submitted through App Store Connect now. The key deadline is April 2027, when iPhone Duo screenshots will become mandatory for new app and game submissions. For users, this means Apple is preparing a catalog of software designed to take advantage of the new device’s layouts from the start of sales.
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