Does Cube work on iPhone Duo?

Yes. Cube is updated for iPhone Duo and uses the full inner display. Version 1.3.0 (October 7) adds iPhone Duo support: half open on a table, it becomes a solve timer.

Is Cube letterboxed on iPhone Duo?

No. Cube fills the inner display.

All apps

Cube

Name: Cube: 3x3 Cube Solver
Author: Haruhiko Kishi

Haruhiko KishiUtilities

View in the App Store

On iPhone Duo

Fits

Cube fills the inner screen and adapts when you fold.

Version 1.3.0 (October 7) adds iPhone Duo support: half open on a table, it becomes a solve timer.[1]

How we know: Claimed by the developer
Status updated: Oct 21, 2026

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Sources

MusicFlow: Cube 1.3.0 for iPhone Duo

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