Apple opens App Store submissions for iPhone Duo
Apple began accepting apps optimised for the foldable iPhone Duo ahead of the device’s October 23 launch, MacRumors and 9to5Mac reported. Developers can build Duo-ready apps and games with Xcode 27.1 and the iOS 27.1 software kit. Existing App Store apps will still run automatically on the device.
Why it matters
Developer readiness will shape whether Apple’s first foldable arrives with software that makes useful use of its new form factor.
Sources
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Part of the October 6, 2026 brief.