Wallpapers in matched pairs: one still for the cover, the rest revealed when you unfold
Does Diptych: Foldable Wallpapers work on iPhone Duo?
Yes, from launch day, says its developer: each wallpaper is a pair made for the Duo, with one half on the cover and the rest revealed when you unfold the phone.
- App Store confirmedRadoslav Lacko, the developer, in a submission to FoldHunt on October 23, 2026, saying the cover shows one half of the pair and unfolding reveals the rest. The App Store seller is Radoslav Lacko. Version 1.0 came out on October 23, 2026, with no release notes; the App Store description is written for the iPhone Duo's two displays, with stills sized for the cover (1398 × 2034) and the open display (2853 × 2007).
Adapted for the fold
- Closed · Outer display
One half of the pair on the cover
Closed, the cover shows the first still of the pair, composed for its tall display.
- Open · Inner display
Unfold to see the rest
Unfold the phone and the open display shows the other still, lined up with the fold so the picture carries on from the cover.
About Diptych: Foldable Wallpapers
Diptych makes wallpapers in matched pairs. Each artwork is composed for both of the iPhone Duo’s displays, one still for the cover and one for the open screen, so nothing is stretched or cropped to fit, and each pair also comes with a crop for an ordinary iPhone. You preview a pair closed and open, save the stills to Photos in one tap, and set them in the system wallpaper picker, since iOS doesn’t let apps change the wallpaper themselves. There are Home Screen, Lock Screen and StandBy widgets. Six pairs are free; eleven premium pairs unlock one or five at a time with credits, or all together. There’s no account, no ads and no tracking.
On the Duo, the cover shows one half of the pair and unfolding the phone reveals the rest, the developer says, with the art lined up with the fold. The App Store screenshots show the app’s own screens on an ordinary iPhone, and the developer doesn’t say how the app itself lays out on the cover or the open display.
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 description mentions iPhone Duo: "iPhone Duo has two displays: a small screen outside for when it's closed and a larger screen inside for when it's open." (version 1.0 (7), released October 23, 2026).
App version: 1.0 (7).
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 ↗· Developer media reviewed
Developer claimed · iphone-duo
Looked at the three App Store screenshots. One shows a pair of monarch butterfly wallpapers on two panels shaped like the Duo's cover and open display, each with a 09:41 status ring. The other two show the app's preview screen, with a pair closed and open, and its StandBy clock on an ordinary iPhone.
Poses shown: Closed, Open. These are observations of the evidence, not a test of every interaction.
App version: Not recorded in this evidence.
The Duo panels show only the wallpapers, not the app running, and at their size in the promotional image they can't be told apart from a mockup. The app's own screens are shown on an ordinary iPhone, and the developer doesn't describe the app's layout on the Duo. No build was tested.
View reviewed evidence ↗
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Sources: Diptych: Foldable Wallpapers on the App Store (apps.apple.com)