True-black wallpapers cut separately for the Duo's cover and its inner screen
Does DarkWalls: OLED Wallpapers work on iPhone Duo?
Yes. DarkWalls: OLED Wallpapers's App Store page says it supports iPhone Duo, so the update is out. FoldHunt's editor hasn't seen it running yet.
- App Store confirmedThe developer, in the release notes for version 1.1.0 (released September 24, 2026): "Built for iPhone Duo." Wallpapers are cut separately for the Duo's cover and inner screen, with a preview of how each sits on either screen and "layouts that adapt across the fold, including the cover screen's reserved status-bar band." There are no pictures of it on the Duo yet. The App Store seller is Asharaf Ali (id 6763156135).
Adapted for the fold
We're waiting on details of exactly what DarkWalls: OLED Wallpapers changes for the fold. Are you the developer? Tell us.
About DarkWalls: OLED Wallpapers
DarkWalls offers wallpapers built on true black for OLED screens. Version 1.1.0 is built for iPhone Duo: 28 wallpapers come cut separately for the cover and the inner screen so nothing is stretched across the fold, you can preview each on either screen, and the layouts adapt when you open the phone. There are no pictures of it on the Duo yet.
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 1.1.0 (released September 24, 2026) mention iPhone Duo: "Built for iPhone Duo."
App version: 1.1.0.
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 ↗
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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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Sources: DarkWalls: OLED Wallpapers on the App Store (apps.apple.com)
More for iPhone Duo
JoyJar
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A shared gratitude jar: open the Duo and the jar faces a joy from it, like a book
Simulator verified: ReAlign Leadership LLC, the developer, in a submission to FoldHunt on October 21, 2026, with a plain screen recording of the app on the iPhone Duo simulator (iOS 27.1) on YouTube and a page about the Duo layouts (joyjar.app). JoyJar is coming soon to the App Store and Google Play.
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Penjo: Pencil Journal, Planner
Zafer ARICAN
A handwritten journal: today's page on one side of the fold, today's plans on the other
Simulator verified: Zafer ARICAN, the developer, in a submission to FoldHunt on October 20, 2026, with simulator screenshots and recordings on the Penjo site (penjoapp.com). The release notes for version 3.8 (released October 20, 2026) say Penjo is now optimized for iPhone Duo in every pose: open, the page uses Penjo's iPad layouts; in the book and seated poses it stays clear of the fold; fold it shut and the journal closes.
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Megu: SI Closet & Planner
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A digital closet and AI stylist, with the piece you tap beside the grid when open
Simulator verified: Jake Antebi, the founder of Megu, in an email to FoldHunt on October 22, 2026, saying Duo support is live with a layout designed for the unfolded screen, and in a post on the Megu blog on October 19, 2026 saying the Duo layouts arrived in version 1.6. The press kit holds unframed captures of the app on the Duo's cover and open display, at the simulator's screen sizes. The App Store seller is JA Technology Consulting LLC. The release notes for version 1.8 (released October 22, 2026) say: "Improvements for iPhone Duo."
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