Wallpapers made for both screens of iPhone Duo.

Twofold is a free wallpaper app for iPhone Duo that saves matched cover and inner screen sets at exact pixel sizes, with no ads and no data collected.

Get it free on the App Store

Free. No ads, no account, no data collected. Works on any iPhone running iOS 26 or later.

Ribbon Rain, from Rosewater Atelier, cover display wallpaper — Ribbon Rain, from Rosewater Atelier. Left: cover display. Right: inner display.

Ribbon Rain, from Rosewater Atelier, inner display wallpaper — Ribbon Rain, from Rosewater Atelier. Left: cover display. Right: inner display.

Bioluminescent Cove, from Blue Hour Coast, cover display wallpaper — Bioluminescent Cove, from Blue Hour Coast. Left: cover display. Right: inner display.

Bioluminescent Cove, from Blue Hour Coast, inner display wallpaper — Bioluminescent Cove, from Blue Hour Coast. Left: cover display. Right: inner display.

Spiral Shell, from Monochrome Stillness, cover display wallpaper — Spiral Shell, from Monochrome Stillness. Left: cover display. Right: inner display.

Spiral Shell, from Monochrome Stillness, inner display wallpaper — Spiral Shell, from Monochrome Stillness. Left: cover display. Right: inner display.

What you get

250 original wallpapers in 22 collections: photographic still life, monochrome, doodles, clay dioramas, pixel art and motivational quotes.
Exact sizes from Apple's specs: 1398 x 2034 for the cover display, and 2670 x 1878 wide or 1878 x 2670 upright for the inner display.
Preview the cover, the inner display or both, with a Lock Screen clock, before you save.
Dim and remix, a new pick every day, a shuffle button and offline favourites.
Saves to Photos with add-only access, then shows the three steps to set it.

Answers

What size is an iPhone Duo wallpaper?
How do I set a wallpaper on iPhone Duo?
What is the best free wallpaper app for iPhone Duo?

The art is original to this app, made with AI image tools and reviewed by hand. Quote designs are set in type by the app.