Fold and turn the phone to choose a courier's route
Does Foldlight: Cosmic Courier work on iPhone Duo?
Yes, the developer says so: folding opens a portal and half-folding makes a bridge, or you can pick the poses with on-screen buttons.
- App Store confirmedzheng zhou, the developer, in the App Store description for version 1.0 (released October 14, 2026), which says the Duo's hinge sensing opens a portal when folded and makes a bridge when half-folded, with on-screen buttons as an alternative.
Adapted for the fold
We're waiting on details of exactly what Foldlight: Cosmic Courier changes for the fold. Are you the developer? Tell us.
About Foldlight: Cosmic Courier
Foldlight: Cosmic Courier asks you to guide a light to a mailbox. Folding the phone brings distant ends together to jump through a portal, half-folding turns the crease into a bridge across a broken galaxy, and changing orientation chooses other routes. Buttons on screen make the same moves without folding.
Evidence reviews
What we checked, when, and what the evidence establishes. Each record preserves the support label at that check.
· App Store page reviewed
App Store confirmed · iphone-duo
The App Store description mentions iPhone Duo: "PLAY YOUR WAY Use iPhone Duo hinge sensing, or choose poses with on-screen buttons." (version 1.0, released October 14, 2026).
App version: 1.0.
Store text only: we haven't seen the app running, and the store page doesn't show how each pose is used.
View reviewed evidence ↗
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 now that iPhone Duo is on sale, from the apps Apple named as 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.
Is this your game?
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Sources: Foldlight: Cosmic Courier on the App Store (apps.apple.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