A file-based issue tracker for personal projects
Does Scarlet work on iPhone Duo?
Yes, the developer says so: the notes for version 1.1.3 say Scarlet now supports iPhone Duo, without saying how the layout changes.
- App Store confirmedSteven Troughton-Smith, the developer, in the App Store release notes for version 1.1.3 (released October 9, 2026), which say the app now supports iPhone Duo without describing the layout. The App Store pictures show issue lists and details on phones and an iPad, not the Duo.
Adapted for the fold
We're waiting on details of exactly what Scarlet changes for the fold. Are you the developer? Tell us.
About Scarlet
Scarlet is a personal issue tracker for solo, indie and hobby projects. It saves to a file you can keep in your project folder, with no accounts, cloud services, syncing or integrations. Add tags to organize your issues, and close them when they’re done.
The release notes for version 1.1.3 say it now supports iPhone Duo, without saying how the layout changes.
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 release notes for version 1.1.3 (released October 8, 2026) mention iPhone Duo: "Now supports iPhone Duo"
App version: 1.1.3.
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
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.
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More for iPhone Duo
TabForge: Code Keyboard
Jeremy Collins
A code keyboard with its own layouts for the Duo open, folded like a laptop, and closed
Simulator verified: Jeremy Collins, the developer, in a submission to FoldHunt on October 21, 2026, describing separate layouts for the Duo open, in tabletop and closed. The TabForge page on the developer's site has screenshots of all three in the iPhone Duo simulator and a 15-second overview of the Duo opening into laptop mode. The App Store description says supported Duo layouts show more controls and need iOS 27.1. The release notes for version 1.0.1 (released October 21, 2026) add a Tip Jar and don't mention the Duo.
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Docker Manager GUI - WhaleDeck
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Your Docker servers in a sidebar beside their containers, with a terminal alongside
Simulator verified: Florian Seida, the developer, in a submission to FoldHunt on October 21, 2026, with a recording of the app in the iPhone Duo simulator in a post on X the same day saying WhaleDeck now supports iPhone Duo, along with a built-in terminal and faster loading. The release notes for version 3.4.0 (released October 21, 2026) list the terminal and the speed-ups but don't mention the Duo.
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Shell Drop
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SSH terminal for AI coding agents in Tmux, edge to edge open and centred on the cover
Simulator verified: Daniel Bilsborough, the developer, in a submission to FoldHunt on October 28, 2026, and on Shell Drop's iPhone Duo page, with captures from the simulator. The App Store seller is Daniel Bilsborough. The App Store release notes for version 5.2.2 (released October 28, 2026) say: "Fully optimised for iPhone Duo, folded or open. The terminal sizes itself to the screen, and every screen stays clear of the status bar."
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