bubble for CUBE
Dear U Co., Ltd.Social
On iPhone Duo
Letterboxed
bubble for CUBE runs in an iPhone-sized window with black bars.What owners report
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Version history
- Version 1.2.10Letterboxed
iOS 26.2 SDK
Checked Nov 5, 2026
Sources
- App Store build, version 1.2.10
Built with the iOS 26.2 SDK. Uses none of Apple’s iPhone Duo APIs.
- Apple Developer: Prepare your app for iPhone Duo