Slack: Slack is a strong first download for iPhone Duo users because its two-column layout separates rooms and contacts from active conversations. The larger internal display makes team messaging, notifications and search easier to manage without constantly switching between screens.
Instagram: Instagram takes advantage of the Duo’s flexible display by offering an immersive video experience on the front screen and portrait or landscape viewing on the internal display. It is particularly useful for Reels, Stories and browsing visual content on a larger foldable canvas.
Lyft: Lyft has been optimised for iPhone Duo’s multitasking interface, letting riders compare ride options while viewing a larger route map at the same time. The split-screen design reduces back-and-forth navigation and makes trip planning more intuitive.
American Airlines: American Airlines uses the Duo’s expanded screen to keep boarding passes, seat selection and terminal maps within easy reach. Travellers can manage flight details and navigate airports more efficiently, especially when moving between check-in, security and boarding.
DuoBox: DuoBox turns the iPhone Duo into a playable accordion, arranging chord keys on one side and piano keys on the other. Its fold-aware design makes it one of the more creative apps for demonstrating how the device’s hinge and dual displays can enable new interactions.
Battlefleet Duo: Battlefleet Duo reinvents Battleships for the foldable form factor. With the phone positioned like a laptop, the upper screen shows the opponent’s waters while the lower screen displays your fleet, creating a more engaging two-player-style game experience.
CalibReader: CalibReader is designed for comfortable reading on the Duo’s NanoTexture centre display. It offers a book-like interface with page-turn animations, light and dark themes, imported libraries and cloud-storage support; the outer screen can display the book cover when closed.