Photos as pop-up cards: the people in them stand up out of the fold as you open the Duo
Does Popfold work on iPhone Duo?
Yes, from launch day, says its App Store page: close the phone and your photo is the card's cover; open it and the people in it rise out of the fold.
- App Store confirmedLi Junyi (LJ), the developer, in a submission to FoldHunt on October 26, 2026, and in a post on X on October 23, 2026, announcing the release. The App Store seller is Junyi Li. Popfold came out on October 23, 2026, and its App Store description says the hinge is the control on iPhone Duo.
Adapted for the fold
- Book · Partly folded
People rise out of the fold
As you open the hinge, the people in the photo, cut out on the phone, lift off the page and stand up out of the fold, following the hinge angle as it moves.
About Popfold
Popfold, by Li Junyi, turns your photos into pop-up paper cards. Pick a photo and the app cuts out the people in it on the phone, with nothing uploaded, and stands them up on a folded card like a pop-up book. It’s free, with no account.
On iPhone Duo the hinge is the control: close the phone and the photo becomes the card’s cover, then open it and the people rise out of the fold as you unfold. On other iPhones you drag a slider.
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: "On iPhone Duo, the hinge is the control." (version 1.0, released October 23, 2026).
App version: 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 ↗
On the ideas wall
All ideasPopfold for iPhone Duo: close it and it's a photo card. Open it and the people in your photo stand up out of the fold. Your own photos, cut out on-device. Shipping for Duo launch. Built on @bitrig with @JolinJiao
On X
Popfold is live on the App Store. Pick a photo, open your iPhone Duo, and the people in it stand up out of the fold like a paper pop-up card. No Duo? It works on every iPhone with a slider. Free, no account, and your photos never leave your phone. apps.apple.com/app/popfold-po…
Li Junyi (LJ)@lj_shipsPopfold for iPhone Duo: close it and it's a photo card. Open it and the people in your photo stand up out of the fold.
Your own photos, cut out on-device. Shipping for Duo launch.
Built on @bitrig with @JolinJiao
Related guides
iPhone Duo poses: closed, open, book, standing and Split View
A plain-language guide to the ways you will hold iPhone Duo, what the phone itself does in each, and the apps and ideas that make the most of them. For anyone buying one, and for anyone building for it.
The best iPhone Duo apps so far (October 2026)
The apps worth installing now that iPhone Duo is on sale, from the apps Apple named as launch partners to indie apps whose developers have shown a real iPhone Duo layout, picked for what they do when you open the phone.
Do your apps work on iPhone Duo? What happens before they're updated
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.
Is this your app?
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<a href="https://foldhunt.com/apps/popfold/"><img src="https://foldhunt.com/badges/featured-on-foldhunt.svg" alt="Featured on FoldHunt" width="220" height="54"></a>Need to update the listing? Email the editor.
Sources: Popfold on the App Store (apps.apple.com) · Li Junyi on X, announcing Popfold (x.com) · Popfold support (popfold.vercel.app)
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