Best iPhone Duo apps in 2026

Keep a question in mind, then unfold to reveal a short response. AskZine draws from 80 responses stored on your device; it does not hear or interpret your question.

On iPhone Duo: The reveal follows the hinge angle. Pause partway to pause the reveal; close and reopen to return to the same answer.

Before you choose: For entertainment and reflection, not advice. Ordinary iPhone and iPad users tap to reveal. We develop AskZine; it is included with that relationship disclosed.

Deck-Man presents your albums as virtual cassette tapes. The physical opening and closing of the phone becomes part of choosing an album and starting to listen.

On iPhone Duo: Opening the phone reveals cassette-style album selection; closing it starts listening.

Before you choose: The purchase covers the player, not a music catalog. It supports Apple Music and local music files.

Tiny Computers is a collection of ten playful, vintage-inspired machines, with drawing tools, command lines and small games. Duo turns the collection into a miniature computer you can prop on a desk.

On iPhone Duo: Tabletop mode separates the computer screen and working keyboard; the closed phone shows the collection.

Before you choose: These are playful, vintage-inspired computers. The developer does not claim compatibility with arbitrary original software or full operating-system emulation.

Portal combines nature scenes with spatial audio and timers for focused work or a quiet break. Its free tier offers a small rotating selection; the full library requires Premium.

On iPhone Duo: Version 4.1.0 adapts focus, Pomodoro, sleep and alarm views to closed, unfolded, seated and standing poses. Opening the phone becomes part of revealing a nature scene.

Before you choose: Free download with in-app purchases. The full library requires a subscription or lifetime purchase; head-tracked audio needs compatible headphones.

Craft combines formatted documents, daily notes and tasks. Its larger-screen editing layout is useful when the appearance of a document matters alongside the words themselves.

On iPhone Duo: Inner- and outer-display support; Apple documents an unfolded style gallery beside a live preview.

Before you choose: Free download with in-app purchases. This guide describes the published layout, not a hands-on review.

Bear is a Markdown notebook built around writing, tags and links between notes. Consider it if you already prefer a text-first workspace and want a developer-confirmed Duo version.

On iPhone Duo: Explicit Duo readiness is documented; the release note does not specify a pose-dependent layout.

Before you choose: Sync and advanced features require Bear Pro. The developer confirms Duo support without describing a particular fold layout.

Agenda connects notes with dates and calendar events. It suits meeting preparation and project work where you want to keep context close to what you are writing.

On iPhone Duo: Closed: buttons move to the side column. Partly folded: the sidebar and notes occupy opposite sides of the fold.

Before you choose: The cited release note does not describe the fully flat layout. Premium features require an additional purchase.

Penbook offers notebooks with customizable stationery, calendar-aware planners and PDF import. Its Duo update focuses on fitting notebook pages and navigation to the changing display.

On iPhone Duo: Version 8.1 adds Duo pose support, stationery sizes and a minimap update; 8.1.1 fixes an incorrect stationery size.

Before you choose: Unlimited notebooks and export require Premium. The release notes do not explain every pose’s layout.

ThinkScribe records and transcribes speech on the device, with summaries and notes for reviewing a recording. The Duo layout is useful for comparing a condensed summary against the original transcript.

On iPhone Duo: In the unfolded landscape orientation, Side by Side shows the transcript and its summary together. The voice keyboard also works on Duo.

Before you choose: Pro features can be sampled for free; continued access requires a monthly, yearly or lifetime purchase. Automatic summaries are a Pro feature.

Things brings tasks, projects and daily priorities into a focused planner. It is a useful starting point for checking a short list while closed, then opening the phone for a broader planning session.

On iPhone Duo: The developer documents pose-aware layouts, an unfolded list sidebar, right-side controls including Magic Plus, and external-keyboard support.

Before you choose: Mac, iPad and Apple Vision Pro editions are sold separately. Duo behavior has not been hands-on tested for this guide.

Finalist combines events, tasks, notes and reminders in a paper-inspired planner. Its remembered layouts suit people who want a quick view in one pose and a broader workspace in another.

On iPhone Duo: The Planner saves a layout for each open/closed and upright/sideways state. Daily workspaces also retain their own layout per Duo pose.

Before you choose: Full functionality requires a subscription or one-time lifetime purchase. Pose switching has not been hands-on tested for this guide.

Detail combines video recording and editing on your phone. Its outer-screen tools are especially relevant when you want to film yourself with the rear camera and still see the shot.

On iPhone Duo: Three-camera switching; outer-display preview and teleprompter; simultaneous outer/rear recording through Book Mode.

Before you choose: Free download with in-app purchases. The release notes do not specify which Duo features, if any, require payment.

A familiar starting point if you already subscribe: browse shows, films and short previews, then settle into something longer on the inner screen.

On iPhone Duo: Apple describes browsing Clips on the outer screen, then continuing on the inner screen with layouts that adapt to orientation.

Before you choose: The app is free to download; watching requires a Netflix membership. Availability depends on your region and plan.

Prime Video offers films, series and live sports, with downloads and optional additional channels. Its Duo layout keeps the show visible while you look up the people appearing in it.

On iPhone Duo: Apple places video on the upper half and X-Ray cast or bonus information on the lower half when partially folded.

Before you choose: A free download is not free access to the catalog. Memberships, rentals, purchases, and optional channels can carry separate charges.

MLB brings baseball broadcasts, highlights and game information together. Its Duo layout is useful for fans who want the action and the statistics in view at once.

On iPhone Duo: Apple describes live video above the fold and real-time statistics below it in tabletop use.

Before you choose: A free download does not include every live game. The listing places out-of-market games behind a subscription and some MLB Network programming behind pay-TV authentication.

Tripsy keeps itineraries, reservations, documents and expenses together. Its confirmed Duo update makes it a useful candidate for planning and consulting a trip on the larger display.

On iPhone Duo: Version 3.10.3 adds adaptive layouts, toolbars, and navigation for iPhone Duo.

Before you choose: Advanced features require Pro. The release notes do not describe a distinct tabletop or outer-display workflow.

Slopes records ski and snowboard sessions and helps you review your runs. Opening a larger map is a practical use of the inner display between runs or when looking back at a day.

On iPhone Duo: A smaller map in the folded interface expands to a larger, full-screen map when opened.

Before you choose: Interactive resort maps are a Premium feature. Map availability varies by resort and region.

CARROT Weather combines configurable forecasts, weather maps and an optional dose of personality. Consider it when you want more detail than a quick temperature check.

On iPhone Duo: Version 6.9.2 explicitly adds Duo support and multiple windows. It also improves vertical and horizontal dual-pane radar layouts on larger screens.

Before you choose: Advanced radar requires Premium Ultra. The update does not describe an interaction triggered by the hinge.

Sofa organizes the books, films, games, shows and podcasts you want to spend time with. It combines media planning with podcast playback and transcripts.

On iPhone Duo: Lists and selected content share two columns; the podcast transcript moves to the upright half in laptop pose.

Before you choose: Some features require paid in-app purchases. A show's supplied transcript is used when available; Sofa can also generate a transcript on the device.

Overcast focuses on podcasts, with Smart Speed, Voice Boost, downloads and playlists. Its Duo update gives listeners more room to read the information accompanying an episode.

On iPhone Duo: Version 2026.10.1 improves Duo and iPad layouts and expands space for transcripts, show notes, and chapter lists on the playback screen.

Before you choose: Podcast-promotion ads fund the free app; Premium removes them. No specific half-folded or outer-display behavior is documented.