Apple
Apple’s Design for iPhone Duo talk uses Mail as the reference layout: controls move to the side, and the inner display shows inbox beside the selected message.
How it supports DuoDuoReady Apps · 12 confirmed
Apps Ready for iPhone Duo
Discover apps optimized for iPhone Duo, including adaptive layouts, fold-aware interfaces, multiple displays, and Duo-specific experiences. Each entry cites how the app adapts — not just that it launches on the device.
Showing 10 apps with Adaptive Layout
Mail
Photos
Apple
Apple’s product page shows Photos in Split View with Mail: browse the library on one side and drag a picture into a message on the other.
How it supports Duo
Safari
Apple
Apple says Duo can open two windows of the same app, and names Safari as the comparison-shopping example.
How it supports Duo
Notes
Apple
The Design for iPhone Duo talk shows Notes in Split View, with navigation and toolbar controls following whichever outer edge the app sits on.
How it supports Duo
Apple Music
Apple
Apple’s adaptive-layout guidance uses Music across the fold: lyrics stay on the upper half, while track info and playback controls sit below.
How it supports Duo
Netflix
Netflix, Inc.
Netflix says Billboard, Clips, and playback were rebuilt for Duo: Clips switch between vertical and horizontal, and controls adapt when watching full screen, folded, or propped up.
How it supports Duo
Zoom
Zoom Communications, Inc.
Apple names Zoom as Duo-adapted and shows it turning the inner display into a conference canvas that keeps shared content and participants visible together.
How it supports Duo
Slack
Slack Technologies, Inc.
Apple names Slack among the first third-party Duo apps and says it brings a user’s whole workspace into view on the inner display.
How it supports Duo
Detail
Detail Technologies B.V.
Apple’s Newsroom walkthrough shows Detail on the inner display, using on-device Core AI models for content creation on Duo’s larger canvas.
How it supports Duo
Zenless Zone Zero
COGNOSPHERE PTE. LTD.
Apple’s announcement video singles out Zenless Zone Zero as an example of games using Duo’s 7.6-inch inner display.
How it supports Duo
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Is your app DuoReady?
We only list apps with public evidence — a developer write-up, an Apple showcase, or App Store notes that describe the Duo adaptation. Compatible scaling is not enough.
Submit your iPhone Duo app