Utilities apps for iPhone Duo

GIF shelves across both halves, a GIF above its tags when folded, a showcase as a tent

Developer claimed: Florent Morin, who makes heypster as a side project, in a reply on X to a call for day-one iPhone Duo apps, with a video of heypster on the Duo (@florentmorin on X). The App Store page does not mention the Duo yet.

Control a Mac in another room; on the Duo, the Mac above the fold and keys below

Developer claimed: The App Store release notes for version 1.3.0 say "Headroom 1.3.0 — iPhone Duo に対応しました" (now supports iPhone Duo): half-open like a laptop, the Mac on the upper screen, the control bar just above the fold and the keyboard on the lower screen, which stays when you open flat; fully open, the Mac fills the inner screen; closed, the cover with the control bar at the side; nothing is placed on the fold. MusicFlow's note.com post shows simulator screenshots (note.com).

Jw_cad floor plans on the cover, and the whole drawing across the open screen

Developer claimed: StudioAnsh, Hideyuki Miyanishi's studio, in a post on X with simulator screenshots, saying iPhone Duo support is in progress (@TouchJW_Info on X). The App Store seller is Hideyuki Miyanishi; the App Store page does not mention the Duo.

Parcels on the cover, a parcel's history beside its map when open

Developer claimed: The app's account, @deliveries_app, posted a Duo simulator video of a new layout for the Duo (@deliveries_app on X). The App Store page doesn't mention the Duo yet.

A pixel cat's room beside the week's tasks on the open Duo

Developer claimed: The developer, ソースケ (@boraborabeee on X), posted a dev diary video of Meowtine adapted for iPhone Duo (@boraborabeee on X). The App Store page doesn't mention the Duo yet.

Your latest MPG on the cover, the trend and service reminders beside it

Developer claimed: The developer (@_JKNFT_ on X, who runs @simplefuelapp) posted a video of SimpleFuel's layout in the iPhone Duo simulator (@_JKNFT_ on X). The App Store page doesn't mention the Duo yet.

Swipe through old photos on the cover, with bigger cards when open

Developer claimed: The developer (@GrutzDevid on X) posted a Duo simulator video and said they have started optimising Sweepr for iPhone Duo (@GrutzDevid on X). The App Store page doesn't mention the Duo yet.

Remote control for your Mac, folded like a laptop with the trackpad and keys below

Developer claimed: Alex Manzer, the developer, in posts on X with a video of Telkino's laptop mode on the iPhone Duo, saying it is ready for the Duo (@AlexManzer on X). Another of the developer's posts calls it the laptop mode being added. The App Store page and release notes do not mention the Duo yet.

Saved Spaces side by side when open, and the same Space carries on when you fold it

Developer claimed: Francisco Martínez, the developer, in a post on X with a video of ToMe on the iPhone Duo, saying it is ready for the Duo (@framara on X). The App Store page does not mention the Duo yet.

Keeps track of the cards you send, with occasions beside the card when the Duo opens

Developer claimed: Michael Rowe, the developer, in a Mastodon post with a recording of Greeting Tracker on the iPhone Duo simulator, saying it works and there are still a few things to do (mstdn.social). The App Store page does not mention the Duo.

Your saved AI prompts in one column closed, two columns and a wider keyboard grid open

Developer claimed: Parker Ortolani, the developer, in a post on X saying the update submitted to App Review is ready for iPhone Duo, with simulator footage. The App Store version at the time was 1.0, so the Duo update may not be out yet.

Userscript browser whose toolbar runs down the side of the Duo

Developer claimed: The developer, posting as u/Own-Interview-199 in r/iosdev that Teak is ready for iPhone Duo on the Xcode 27.1 beta (reddit.com). The same account runs r/TeakBrowser as Teak's creator; the App Store seller is 阳 刘.

Battery forecasts side by side when open, and a charging horizon that sits on the fold

Developer claimed: Christian Skorobogatow, the developer, in a post on X showing Unplugged on the iPhone Duo simulator and saying version 4.1.0 is made for iPhone Duo. The App Store version at the time was 4.0.0, so the Duo update may not be out yet.

Flight-sim companion whose layout reflows for every fold of the Duo.

Developer claimed: Heavy64 (@Heavy64Lab), in a post on X. That account's site, avionicsbuddy.com, names Sharif El Fatatry as the author and links this App Store page; Sharif is also the seller.

Network monitor that keeps the download and upload graphs in view in every pose.

Developer claimed: Sören Gade, in a Mastodon thread (mastodon.social) showing Bandwidth Monitor in the iPhone Duo simulator. The App Store seller is Soeren Gade.

Screen recording editor whose controls move to the sides when the Duo opens.

Developer claimed: Mathijs Kadijk of Nonstrict, in a Bluesky post (bsky.app). The App Store seller is Nonstrict B.V.

Interval timer chains whose native toolbars reflow onto the open Duo.

Developer claimed: Sahil AK (@mdsahilak), in a post on X. The X profile's site, mdsahilak.com, lists TimeWave and is copyright Muhammed Sahil Arayakandy, the App Store seller, and the bio reads "indie @timewave_app".

A game controller tester laid out again for the Duo's cover and inner display

Developer claimed: The App Store release notes for version 1.0.4 say: "Improved layouts and navigation across iPhone Duo configurations." The maker, 阿西西 (Axixi), shows the app on the Duo in a Bilibili video (bilibili.com). The App Store seller is 健 耿, whose site axixi.top lists the app.

PC streaming with the stream on the top half and a keyboard or trackpad below

Developer claimed: The App Store release notes for version 1.2.1 say: "Adapted the interface, full keyboard, and settings layouts for iPhone Duo." The maker, 阿西西 (Axixi), shows the adapted app in a Bilibili video (bilibili.com). The App Store seller is 健 耿, whose site axixi.top lists the app.

Apple TV mirroring and remote; open upright, the buttons above and a D-pad below

Developer claimed: The App Store release notes for version 1.0.4 say: "Improved iPhone Duo support and portrait/landscape layouts." The maker, 阿西西 (Axixi), shows the app on the Duo in a Bilibili video (bilibili.com). The App Store seller is 健 耿, whose site axixi.top lists the app.

Device details, CPU and network graphs side by side on the open Duo

Developer claimed: The developer account @DeviceKitUS posted a video of Device Kit on the open Duo and said the app supports iPhone Duo (@DeviceKitUS on X). The App Store page doesn't mention the Duo yet.

Talk to the AI agents on your computer from the open Duo

Developer claimed: The developer (@libapi_ on X) posted a render of Ekko Studio on the open Duo and said it is adapted for phones, tablets and foldables (@libapi_ on X). The App Store page doesn't mention the Duo yet.

Receipts and warranty countdowns on the cover, as icons, a list or a gallery

Developer claimed: The developer, Akintade Oluwaseun, posted a Duo simulator video of Kept and said it is coming to iPhone Duo (@tadeDev_ on X). The App Store page doesn't mention the Duo yet.

Calculator whose keys split along the fold, then all drop to the lower half like a laptop.

Developer claimed: James Thomson, in his "PCalc on iPhone Duo" Mastodon series (Day 5: mastodon.social). The App Store seller is TLA Systems Ltd.

Wallpaper cropper that frames one image for both the cover and the inner display

Developer claimed: The developer's App Store description and screenshots, which present FoldWall as made for iPhone Duo's two displays (apps.apple.com). Specific fold adaptations are not yet documented.