SSH terminal for AI coding agents in Tmux, edge to edge open and centred on the cover
Does Shell Drop work on iPhone Duo?
Yes, since version 5.2.2, and seen in iPhone Duo simulator captures: open, the terminal runs edge to edge with a larger font; closed, it stays clear of the status bar column.
- Simulator verifiedDaniel 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."
Adapted for the fold
- Open · Inner display
The terminal edge to edge
Open, the terminal fills the inner display and picks a larger font from the window width. Tmux resizes once per fold or unfold, and Home, Launchpad and Settings keep a readable column.
- Closed · Outer display
Centred on the cover
Closed, the terminal and Home stay centred and clear of the status bar column down the right edge, for a quick check on an agent.
About Shell Drop
Shell Drop is a free SSH terminal for iPhone and iPad by Daniel Bilsborough, made for running AI coding agents such as Claude Code and Codex in Tmux on a Mac mini or a server. Paste screenshots into a session, attach files, speak into the prompt with Voice Drop, and swipe between sessions, with keys that can be kept in the Secure Enclave. There is no account and no subscription.
Version 5.2.2 is optimised for iPhone Duo. Open, the terminal runs edge to edge and sets a larger font from the window’s width, and Tmux resizes once each time you fold or unfold; closed, everything stays centred and clear of the status bar column on the right. The developer’s captures from the simulator show both.
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 the six captures on Shell Drop's Duo page, each with the Duo's 9:41 status ring: the cover (800 × 1164, the cover's proportions) with a Claude Code session in Tmux and with Home, clear of the status column; the open phone upright (1000 × 1422) with the session and with Home in a centred column; and the open phone sideways (1422 × 1000), the session across the full width.
Poses shown: Closed, Open. These are observations of the evidence, not a test of every interaction.
App version: 5.2.2. Environment: iPhone Duo simulator.
Still captures with no Xcode version; the half-folded pose and the Tmux resize on folding aren't shown. No build was tested.
View reviewed evidence ↗
Related guides
The best iPhone Duo apps so far (October 2026)
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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 app?
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Sources: Terminal app for iPhone Duo, Shell Drop (shelldrop.sh) · Shell Drop on the App Store (apps.apple.com)
More for iPhone Duo
TabForge: Code Keyboard
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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.
- Open
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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.
- Open
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- Closed
Buildhorn: CI/CD Alerts
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CI build alerts, your repositories on the cover and a repo's build status beside them open
Simulator verified: Darryl Bayliss, the developer, in a submission to FoldHunt on October 23, 2026, and in a Bluesky post on September 20 with a recording of Buildhorn in the iPhone Duo simulator (bsky.app). The App Store seller is Daz Software Ltd. The release notes for version 1.1.1 (released October 18, 2026) say the store listing was updated "to show off how Buildhorn looks on the upcoming iPhone Duo"; they don't describe a layout.
- Closed
- Open