The iPhone Duo’s two-screen form factor is prompting different app approaches: Netflix separates short-video browsing on the outer display from viewing on the inner one, while Wakeout changes its interface based on device position.

But early reviews say many mainstream apps still show black bars or require zooming.

The contrast makes app adaptation—not just hardware—a key detail in this foldable launch.

Applications that take advantage of the two screens

Despite the limitations of existing apps, several creators have created new experiences that take advantage of the phone's design. Netflix, for example, allows you to browse short videos on the external screen and switch to the internal screen to watch them.

Deck-Man, designed by Vidit Bhargava and originally known as Duo-Man, functions as a digital cassette player and is due for release on October 23, 2026, without subscriptions.…