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Reference · iPhone Duo app
by Saeed Safrini
A fan-made Pokémon field guide styled as a twin-screen scanner.
iPhone Duo support
Confirmed
Checked by hand against the App Store.
Screenshots
Screenshots from the App Store. Tap one to see it full size.
On iPhone Duo
Foldex is a fan-made field guide to every Pokémon, designed around iPhone Duo’s two screens. It looks like a handheld scanner: open it and the entry spreads across both screens, close it and it folds onto the cover.
Yes. iPhone Duo support is confirmed in the App Store description of Foldex version 1.0, released Oct 31, 2026.
Foldex is free to download on the App Store.
Foldex is made by Saeed Safrini and is in the Reference category.