Does Deck-Man work on the iPhone Duo?
Last updated
Not yet. iPhone Duo support for Deck-Man has been announced, but it isn't available to test or grade yet.
Turns the phone into a retro cassette player: open it to pick an album and insert the tape, close it to start listening with Apple Music.
How iPhone Duo grades work
Each app is graded on how it handles the foldable: filling the 7.6-inch inner display, dual-pane layouts, drag and drop across the fold, and keeping its place when you fold or unfold. The grade out of 10 sums it up. Grades come from a hands-on test where there has been one, and otherwise from what Apple and the developer have announced; every app page says which. New to the iPhone Duo? How iPhone Duo app compatibility works.
8 and up
Most compatible
Built for the foldable: fills the inner display and handles folding well.
4 to 7.9
Half experience
Works, but doesn’t make full use of the inner display.
Below 4
Not compatible
Runs like a regular iPhone app, or has trouble when you fold or unfold.
Source: Apple Newsroom, Oct 22 2026
