Health & Fitness apps for iPhone Duo

Exercise demo beside the countdown on the open Duo, both up top in laptop pose

Developer claimed: Stuart Hall, who makes 7 Minute Workout, in a reply on X with a "Built for iPhone Duo" video (@stuartkhall on X). The App Store release notes for version 18.8.0 mention "Improved layouts for resizable iPad windows and upcoming iPhone releases" but do not name the Duo.

Ambient noise that splits at the Duo crease

Developer claimed: Charlie Chapman (@_chuckyc) showed Dark Noise on the Duo simulator closed, open and half-folded, after a few small tweaks (@_chuckyc on X).

Run plans on the Duo cover, route beside review when open

Developer claimed: Rain Wu, the developer, in a YouTube demo filmed in the Duo simulator (youtube.com). The App Store release notes for version 2.3.9 say maps, training cards and workout details make better use of the Duo, with layouts for folding and rotation.

Workout replays with the map beside the stats, and laptop-style controls when half-folded

Developer claimed: Shaun, the developer, on the app's iPhone Duo page with screenshots of every pose, saying Duo support will be ready on day one (getpersonalbest.com), linked from a post on X. The App Store page does not mention the Duo yet.

Strength workouts that log your set closed, open flat or half-folded on a gym bench

Developer claimed: Claire McGregor, co-founder of Tiny Ideas, in a post on X with a video of StrongEra on the iPhone Duo, saying it is Duo-ready (@clairesayshi on X). The App Store page does not mention the Duo yet.

Breathing and focus sessions in every Duo orientation

Developer claimed: Fabio (@abduzeedo) showed Calmaria on the Duo simulator closed and open, in each orientation, and says it is almost ready to ship (@abduzeedo on X).

Deep-work focus on the cover; timer beside the start card when open

Developer claimed: Subhajit Gorai (@sage_mastermind) posted Duo simulator media of MydenFocus closed on the cover and open across the crease (@sage_mastermind on X). The App Store seller is Subhajit Gorai; the listing name is MydenFocus: Focus & Meditate and does not mention the Duo yet.

A meal's photo and macros on the cover, the same read-out in one column when open

Developer claimed: CHEN GUAN-JHEN, the developer, in a post on X with a video of Plateknow in the iPhone Duo simulator, saying it supports the Duo (@CGJhen on X). The App Store page does not mention the Duo.

Quit fast food with your progress on one half and today's check-in on the other

Developer claimed: Nathan Geckler, the developer, in a post on X with a video of Thruu's reworked iPhone Duo layout (@NathanGeckler on X). The App Store page does not mention the Duo.

Your step-powered pixel pet on the cover, then beside workouts or outfits when open

Developer claimed: Derek Kim (@derekhskim), whose X bio links to Ambly, posted a simulator video of Ambly closed and open on the iPhone Duo and says the app is getting early support for it (@derekhskim on X). The App Store lists the seller as Hyun Sik Kim and does not mention the Duo yet.

Your day's macros beside the food camera on the open Duo

Developer claimed: The developer (@afsimsir on X) said Calorific is ready for iPhone Duo, with pictures of it closed and open (@afsimsir on X), and the App Store release notes say Calorific now supports iPhone Duo.

The current interval's countdown on the cover, the whole workout beside it when open

Developer claimed: Guram Kajaia, the developer, in a post on X with a video of Interval Timer on the iPhone Duo, saying Duo support is coming (@GuramKajaia on X), and in a reply on X saying it will be ready on day one (@GuramKajaia on X). The App Store page does not mention the Duo yet.

Next shot on the cover, shot details and weight chart when open

Developer claimed: The developer (@BechirArfaoui on X) posted a video of Jabby running in the iPhone Duo simulator (@BechirArfaoui on X). The App Store page doesn't mention the Duo yet.

Keeps goals and meals clear of the hinge when folded, and docks sheets beside it

Developer claimed: Stuart Hall, in a post on X with a video of Proto on the iPhone Duo, saying it will support the Duo from day one (@stuartkhall on X). The App Store page does not mention the Duo yet.

Running stats and coaching in two columns when open, one scrolling column on the cover

Developer claimed: David Stancik, in a post on X with a video of Runmo on the iPhone Duo, saying it is fully prepared for the Duo (@_stnck on X). The App Store page does not mention the Duo yet.

A poop log with a boxing mascot, from the cover to the open Duo

Developer claimed: The developer, ツヅキ (@tsuzuki817 on X), posted a Duo simulator video of Unchikun (@tsuzuki817 on X). The App Store page doesn't mention the Duo yet.

Routines on the cover, and open, each step up top with a big Done button below

Developer claimed: The developer, on X as Chilly Bean (@chidiemeh184), posted a Duo simulator video and screenshots of the app's iPhone Duo support and a new "counter mode" (@chidiemeh184 on X). The App Store page does not mention the Duo yet.

Your VO2 max score in one column closed, then the score beside your fitness pass open

Developer claimed: Xipu Li, the developer, in a post on X with a video of VO2 Max Pro closed and open on the iPhone Duo, captioned "iPhone Duo ready" (@theXipuLi on X). The App Store page does not mention the Duo yet.

Social step counter with walk videos beside their comments when the Duo is open

Developer claimed: Prayag, a Rivlo co-founder, in an X post with a video of Rivlo on the iPhone Duo simulator, saying the app is getting ready for iPhone Duo (@prayagpatel_ on X). Not yet stated as released.

Quit-smoking tracker that opens into a flip clock beside craving tools.

Developer claimed: Oleg Plugaru, the App Store seller, in a post on X. The X profile links to this App Store page.

A finished run's route map on one half of the open Duo, its stats on the other

Developer claimed: Gentler Stories, the developer, in a post on X with designs of Gentler Streak on the open iPhone Duo by co-founder Andrej Mihelic (@Gentler_App on X). The App Store release notes say the app now fits any screen size, the iPhone Duo included.

The Perfect Day jar on the left half of the open Duo, counts and calendar on the right

Developer claimed: Shuhari, an iOS engineer at Grow (per nsshuhari.me, which links the app; X bio "take care, @trygrowapp"), in a post on X with a Duo simulator screenshot (@NSShuhari on X). The App Store release notes for the current version (2.6.3) cover data loading on iOS 27 and widget fixes and do not name the Duo.

Hydration pace against a day timeline on the Duo cover

Developer claimed: The developer, @rajavijayaraman on X, posted two Duo cover screenshots, with the timeline on the left and on the right, asking which is better (@rajavijayaraman on X). The App Store lists the seller as Raja Vijayaraman and does not mention the Duo yet.

Your program, logging and coach beside each other, with tabs in a side rail

Developer claimed: The developer, Karan Pandya, posted three screens of Liftr on the open Duo while readying it for iPhone Duo (@karanpmb on X). The App Store page doesn't mention the Duo yet.

Exercise list on the Duo cover

Developer claimed: Donny Wals posted an early Duo cover shot of Maxine, asking how to keep the filter chips from running under the tab rail (@DonnyWals on X).

Hiking app with the trail map on one half of the open Duo and the stats on the other

Developer claimed: Haozes, the developer, in a post on X with a picture of Tooboo on the open iPhone Duo (@Haozes2 on X). The App Store release notes say Tooboo now adapts to iPhone Duo's foldable display with two-column layouts.

Open, the day's exercises sit beside your sets, with the plates to load drawn for each

Developer claimed: Valter Hemmi, the developer, in a reply on X to a call for iPhone Duo apps, with an image of Liftin' on the open Duo (@_nstrm on X). The App Store page does not mention the Duo yet.

Run stats beside the route map, and a dashboard beside the calendar

Developer claimed: The developer (@hieudinh_ on X) posted Steps as ready for iPhone Duo on day one, with an open Outdoor Run screen (@hieudinh_ on X). The App Store description has a section on its layouts for the open iPhone Duo.

Your dog's health score beside its walk, sniff and poop ratings when the phone is open

Developer claimed: Pawel Kaczmarek, who founded Tails (per trytails.com), in a reply on X with a picture of Tails on the open iPhone Duo, saying the new build goes in for review today (@Super_PK_ on X). The App Store page does not mention the Duo yet.

Today's workout beside your programme on the open Duo

Developer claimed: The developer (@snowmoon_ on X) posted Tiqan on the open Duo and said it is getting ready for iPhone Duo (@snowmoon_ on X).

A new walking route each day, on a 3D map on the Duo cover

Developer claimed: The developer (@emrdgrmnci on X) posted WalkMate on the iPhone Duo in reply to a call for Duo apps submitted to the App Store (@emrdgrmnci on X). The App Store page doesn't mention the Duo yet.

Medication tracker with the pill on one half and its schedule on the other when open

Developer claimed: The developer, posting as Alex Jordany on Bluesky (bio: app developer at dosekeeper.com), with four iPhone Duo simulator screenshots of DoseKeeper open flat, and saying Alex is still working out what belongs on each side (bsky.app). The App Store and dosekeeper.com name the developer Alex Parrales. Not stated as released.

Running log that lays today, the month and the year out in two columns when open

Developer claimed: The developer, Ryley Herrington, in a Bluesky post with an iPhone Duo screenshot, saying RunRev is up and running with Duo changes (bsky.app).

Calorie tracker with its ring and macros side by side when the phone is open

Developer claimed: The developer, Danijela Vrzan, in a Bluesky post with three simulator screenshots, saying the resizability and landscape work covered almost all of the iPhone Duo work, with some polish left (bsky.app). Specific fold adaptations are not yet documented.