A cube solver and solve timer, with a two-hand pad for the half-folded Duo
Does Cube: 3x3 Cube Solver work on iPhone Duo?
Yes, seen running in the iPhone Duo simulator: closed, the cube modes stack in one column; open, the clock sits above a two-hand timing pad. Shown in 1.3.0; 1.3.2 is out.
- Simulator verifiedMusicFlow, in an article on note.com on October 7, showing Cube 1.3.0 in the iPhone Duo simulator: the timer puts the clock above a two-hand pad. The current App Store version, 1.3.2, came out on October 10.
Adapted for the fold
- Open · Inner display
Clock above, hands below
The timer puts the scramble and clock on top, with a large two-hand pad below. MusicFlow describes this as the half-folded layout: lift both hands to start timing, and put them back to stop.
- Closed · Outer display
Choose a cube mode on the cover
The cover stacks Solo Cube, Weekly Cube, Real Timer, Real Advice and AI Battle in one column, with status and help at the right.
About Cube: 3x3 Cube Solver
Cube combines a virtual cube, guidance for solving a physical cube and a solve timer. On the Duo, the timer puts the clock above a two-hand pad, which MusicFlow means for the half-folded phone: lift both hands to start, put them back to stop. The cover lists the cube modes in one column. The simulator pictures show version 1.3.0; version 1.3.2, out since October 10, brings further Duo changes.
Evidence reviews
What we checked, when, and what the evidence establishes. Each record preserves the support label at that check.
· Simulator screenshots reviewed
Simulator verified · iphone-duo
Looked at four captures the maker identifies as from the simulator. Real Timer places the scramble and clock above a two-hand pad; the cover home screen stacks the cube modes in one column. Two other captures show the virtual cube above its controls.
Poses shown: Open, Closed. These are observations of the evidence, not a test of every interaction.
App version: 1.3.0, identified in the maker's article. Environment: iPhone Duo simulator; runtime version not stated.
Flat captures show the layouts, not a hinge angle, touch timing, scanning accuracy, solve correctness or fold transitions. The half-folded use is the maker's description. No app was run here. The App Store lists 1.3.2; the article identifies its images as 1.3.0.
View reviewed evidence ↗
On the ideas wall
All ideas
Cube: a solve timer above a two-hand pad
MusicFlow's Cube puts the scramble and timer above a pad for both hands. Half-folded, the maker says, you lift both hands to start and put them back to stop; the simulator image shows the layout open flat.
Related guides
iPhone Duo games: what's coming, and what the fold does for play
Which games have been shown on iPhone Duo, how un-updated games look on the open display, and the new kinds of play builders are making with the hinge, the half fold and two screens.
The best iPhone Duo apps so far (October 2026)
The apps worth installing on day one, from Apple's four launch partners to indie apps whose developers have shown a real iPhone Duo layout, picked for what they do when you open the phone.
Do your apps work on iPhone Duo? What happens before they're updated
Every iPhone app opens on iPhone Duo, but only updated ones fill the inner display. What an app looks like before its developer adapts it, how to tell which are ready, and which popular apps have said so.
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Sources: MusicFlow's Cube 1.3.0 Duo article, with simulator images (note.com) · Cube on the App Store (apps.apple.com) · Apple live lookup for Cube 1.3.2 (itunes.apple.com)
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- Closed
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