Productivity v1.261030.19
Does Claude by Anthropic work on iPhone Duo?
Yes. Claude by Anthropic is built for iPhone Duo — it runs full screen on the 7.6-inch inner display and adapts its layout for the fold.
At a glance
- Inner display (7.6″)
- Built for Duo
- Outer display (5.4″)
- Works normally
- Built with
- Not read yet
- We read each app's build SDK after it updates
- iPad version
- Yes
- Layout already handles big screens
- Latest version
- v1.261030.19
- Nov 1, 2026
- Duo in release notes
- Not yet
About Claude by Anthropic
Claude by Anthropic is made by Anthropic PBC and first came out on the App Store in May 2024. It's #8 on today's US App Store top charts. It has 294,937 ratings on the US App Store, averaging 4.7 stars. Version 1.261030.19 came out on Nov 1, 2026 and needs iOS 18.0 or later. It's free to download.
From its App Store listing:
Meet Claude, your AI problem solver and thinking partner. Claude works with you to write, research, code, and tackle complex problems and hard questions with depth and precision. It enhances your thinking and expands what you're capable of, right from your phone. AI WRITING ASSISTANT Turn rough ideas into polished work. Whether you're crafting social media posts, professional emails, or complex re…
On the inner display
The app reaches the edges of the inner display. Text and controls stay a comfortable size instead of being blown up.
According to iThinkDiff, an October 29, 2026 update made Claude on iPad and iPhone Duo open artifacts in a side panel beside the chat instead of over it, a two-pane layout that matches the web and desktop apps.

In Split View
iPhone Duo is the first iPhone that can show two apps side by side, and every app takes part — including Claude by Anthropic. Open it on the inner display, then add a second app next to it. You can save the pair and come back to it later.
Duo-specific features
None confirmed yet. Duo-specific features include side toolbars, layouts that react to the fold, and content on the outer display while the app is open inside.
Evidence & history
App Store,
App Store listing has screenshots made for iPhone Duo
The developer published 9 screenshots for iPhone Duo’s inner display.
- : Not confirmed yet → Built for Duo — its App Store listing has iPhone Duo screenshots
Latest release notes
Version 1.261030.19 · Nov 1, 2026
Squashed some bugs and improved the overall experience. Yours, Claude
Questions
Does Claude by Anthropic work on iPhone Duo?
Yes. Claude by Anthropic is built for iPhone Duo — it runs full screen on the 7.6-inch inner display and adapts its layout for the fold.
Does Claude by Anthropic work on the outer display?
Yes. iPhone Duo's 5.4-inch outer display behaves like a regular iPhone screen, so every iPhone app works there as usual.
Can I use Claude by Anthropic in Split View on iPhone Duo?
Yes. On iPhone Duo every app can be placed side by side with another app on the inner display — developers don't need to opt in. How comfortable it feels at half width depends on the app's layout.