Event photos on a half-folded Duo 📸 HiveAlbum plays a live slideshow above the fold while you use the app below. Guests add photos by QR code, no app needed. By Matthew Cooke. Free to start; paid plans. apps.apple.com/us/app/hiveal…

Did your paths cross? 🗺️ Alexander Rysev’s Almost Crossed checks two photo libraries for possible date-and-place overlaps. Version 3.2.2 adds Duo layouts and Book mode. Free; optional Full Access. apps.apple.com/us/app/almost…

Duo spotlight: hinge sensors 🏠 @home_assistant now exposes iPhone Duo hinge and pose sensors, which you can enable for automations. Version 2026.10.2 refines the foldable layout. Free app; requires Home Assistant. apps.apple.com/us/app/home-a…

Your news, across the fold 📰 @dezinezync’s Elytra puts the article list beside the story on iPhone Duo. Fold it mid-read and keep your place on the cover screen. Its reader strips trackers; up to 10 feeds are free. elytra.app/duo/

Flashcards with a fold 📚 Houki 4.3.0 puts answers behind a half-folded iPhone Duo screen; open it flat to reveal them. Unfolded, lessons sit beside questions. By Quiz Master. Premium subscription required. apps.apple.com/us/app/houki-…

Edit on the screen you carry 🎬 @LumaTouch’s LumaFusion 5.6.0 adapts its multitrack editor to iPhone Duo’s folded and open poses. Handy for cutting footage on the larger inner display. $29.99; some features cost extra. apps.apple.com/us/app/lumafu…

Your to-do list has a layout for both iPhone Duo screens. Bonobo’s Actions puts today and tomorrow beside any list when unfolded, with a compact view outside. Its Duo navigation keeps your schedule and tasks in one glance. @MoleskineStudio bonobolabs.com/duo/

Duo’s outer screen becomes a teleprompter 🎥 Canopus Labs’ Eyeline puts your script beside the main camera while the inner screen controls recording. The Duo prompter requires Pro; basic recording is free. apps.apple.com/us/app/eyelin…

Building for iPhone Duo? Bezly 3.0 added foldable mockups with separate art for both screens. Version 4.0 brings a simpler iPhone editor, a Duo Screens tab and 10 free watermark-free export credits. By @samuclr91. apps.apple.com/us/app/bezly/…

One Duo, two camera angles 🎬 @detailapp’s Book Mode records the outer and rear cameras together: yourself and the scene ahead in one take. The outer screen can preview a rear-camera selfie. Free download. apps.apple.com/us/app/detail…

Your to-do list has a layout for both iPhone Duo screens. Bonobo’s Actions puts today and tomorrow beside any list when unfolded, with a compact view outside. Its Duo navigation keeps your schedule and tasks in one glance. @MoleskineStudio bonobolabs.com/duo/

Guitar rigs, opened like a book 🎸 Arthur Joyce’s Dialed In puts artists on Duo’s left page and a rig on the right. Explore ~90 guitarists, adapt settings for your amp and save your sounds. Free, no ads. apps.apple.com/us/app/dialed…

DJ decks that unfold 🎚️ @edjing Mix puts your library beside the decks on Duo; tabletop mode puts controls below the fold. Version 9.4.1 adds Apple Music mixing (subscription required). Free; optional Pro. apps.apple.com/us/app/edjing…

World clocks that unfold 🌍 Ievgenii Lebid’s GlobeTempus+ puts cities and contacts in two Duo columns. Share busy times across zones without exposing event details; one contact is free. apps.apple.com/us/app/globet…

Dive photos on Duo 🌊 Enheart’s UnderBlue fits both displays, with controls clear of the fold. It restores underwater color on-device. One photo export and 10 seconds of video are free; Pro is $14.99 once. apps.apple.com/us/app/underb…

Sleep data, opened like a diary 💤 @GymStreak’s SleepLog shows a score beside sound clips on Duo. Folded, it becomes a bedside clock. Simulator preview; free tier tracks 5 nights, then alternate nights. apps.apple.com/us/app/sleep-…

A paper planner layout on iPhone Duo 📖 @firstseedjp’s FirstSeed Planner opens into two pages: today + tomorrow, or a calendar + today’s notes. Drag events between pages with Pro. Free core app. Spotted by @WIRED. apps.apple.com/us/app/firsts…

Open Duo to start this camcorder 📼 Lotus Apps’ Flipcorder uses the hinge as its power switch and shows your subject a live preview outside. Each 20-second clip joins one daily tape. $4.99 once. Via @9to5mac. apps.apple.com/us/app/flipco…

A flashcard you unfold 🧠 Simon Pinkas’ RectoVerso reveals answers as you open iPhone Duo. How much you peek helps schedule the next review. Bring Anki decks, including images and audio. $12.99, once. Via @WIRED. apps.apple.com/us/app/rectov…

Writing update for Duo ✍️ @ulyssesapp 42 adapts to Duo’s poses and adds two-sided PDF/DOCX previews. Its new iPhone markup bar puts links and images within easier reach. Free trial; subscription from $5.99/mo. apps.apple.com/us/app/ulysse…