Sudoku with the number pad moved beside the grid on the open Duo
Does Sudoku Unlimited Puzzles work on iPhone Duo?
Yes, the developer says so: version 4.9 on the App Store says "Duo Ready", and Farid Ahmad showed it on X.
- Developer claimedFarid Ahmad, who makes it, in a post on X with a recording (@farid9820 on X): "Sudoku Unlimted is iPhone Duo ready". The App Store release notes for version 4.9 (released October 9, 2026) say "Duo Ready !!" and "Landscape mode".
Adapted for the fold
- Closed · Outer display
Grid above the keys
Closed, the grid fills the cover with two rows of round number keys below it and the game's buttons in the side column.
- Open · Inner display
Grid beside a round keypad
Open flat, the grid sits on the left and a round three-by-three keypad on the right. Turned upright, the grid sits above two rows of keys.
About Sudoku Unlimited Puzzles
Sudoku Unlimited Puzzles is a classic sudoku game. Version 4.9 adds a Duo layout: the grid with number keys below on the cover, and the grid beside a round keypad on the open screen.
On the ideas wall
All ideas
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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: Farid Ahmad on X (x.com)
More for iPhone Duo
Paper & Grain
Jeremy Collins
An origami puzzle game where you fold the Duo to fold the paper and close it to crease
Simulator verified: Jeremy Collins, the developer, in a submission to FoldHunt on October 21, 2026, saying the Duo's seam works as a crease and the Guidebook can sit beside the sheet in tabletop or open. The Paper & Grain page on the developer's site has iPhone Duo simulator screenshots and an 18-second overview of the Duo folding the paper. The App Store description says the game is optimized for iPhone Duo, with optional folding along the device seam on iOS 27.1 or later. Version 1.0 was released October 19, 2026.
- Open
- Book
- Closed
Keep It Shut
Tenth Room Studio
A horror game where the Duo is a hotel room door: fold it shut, open a crack to peek
Simulator verified: Tenth Room Studio, the one-person studio of Kane Vu, in a submission to FoldHunt on October 20, 2026. The press kit (tenthroomstudio.com) has unframed iPhone Duo screenshots at the sizes of the simulator's open display (2853 × 2007) and cover (1398 × 2034). The game is coming soon to the App Store; its release date is to be announced.
- Closed
- Book
- Open
Tapete: 2 Player Board Games
Óscar de la Torre
Fourteen board games for two on one phone, where the hinge is part of the board
Simulator verified: Óscar de la Torre, the developer, in emails to FoldHunt on October 12, 2026 and a week later, saying the game was built with Xcode 27.1 and tested in all three postures in the iPhone Duo simulator. The site's 28-second preview is captioned "recorded on the iPhone Duo simulator". The App Store description says the game is compatible with iPhone Duo. Version 1.3 (released October 18, 2026) adds 16 languages.
- Open
- Book
- Closed