A sampler synthesizer with iPhone Duo support in its release notes
Does KQ Sampei 26 work on iPhone Duo?
Yes, the developer says so: versions 1.8.2 to 1.8.5 add iPhone Duo support. The notes don't say how the layout changes when folded.
- App Store confirmedRyouta Kira, the developer, in the App Store release notes for versions 1.8.2 through 1.8.5 (1.8.5 was released October 16, 2026), which add support for iPhone Duo. The notes don't explain what changes in each fold position.
Adapted for the fold
We're waiting on details of exactly what KQ Sampei 26 changes for the fold. Are you the developer? Tell us.
About KQ Sampei 26
KQ Sampei 26 is a sampler synthesizer for playing sound libraries and MIDI files, and it can also run inside compatible music-production apps. The release notes add iPhone Duo support.
Evidence reviews
What we checked, when, and what the evidence establishes. Each record preserves the support label at that check.
· App Store page reviewed
App Store confirmed · iphone-duo
The App Store release notes for version 1.8.5 (released October 16, 2026) mention iPhone Duo: "Added support for iPhone Duo."
App version: 1.8.5.
Store text only: we haven't seen the app running, and the store page doesn't show how each pose is used.
View reviewed evidence ↗
Related guides
The best iPhone Duo apps so far (October 2026)
The apps worth installing now that iPhone Duo is on sale, from the apps Apple named as launch partners to indie apps whose developers have shown a real iPhone Duo layout, picked for what they do when you open the phone.
Do your apps work on iPhone Duo? What happens before they're updated
Every iPhone app opens on iPhone Duo, but only updated ones fill the inner display. What an app looks like before its developer adapts it, how to tell which are ready, and which popular apps have said so.
Is this your app?
Add the badge to your site or press kit. It links back to this page, where fans can upvote you.
<a href="https://foldhunt.com/apps/kq-sampei-26/"><img src="https://foldhunt.com/badges/featured-on-foldhunt.svg" alt="Featured on FoldHunt" width="220" height="54"></a>Need to update the listing? Email the editor.
More for iPhone Duo
edjing Mix
MWM
A DJ app with two decks open, library and mixer across the fold, and a tent mode
Launch partner: Named by Apple in its Newsroom article of October 22, 2026, on apps optimized for iPhone Duo, with more room for two decks, audio effects and stem separation. MWM, the developer, describes the layouts on the edjing Mix iPhone Duo page and in a submission to FoldHunt on October 24, 2026. The App Store seller is MWM. The release notes for version 9.4.1 (released October 25, 2026) don't mention the Duo, and the Duo page's pictures are interface previews with placeholder track names.
- Open
- Book
- Standing
- Closed
- Split View
Deck-Man
Squircle Apps
A cassette player: open the Duo to load a tape, close it to start listening
Launch partner: Named by Apple in its Newsroom article of October 22, 2026, on apps optimized for iPhone Duo. The App Store seller is Squircle Apps LLP. Deck-Man came out on October 14, 2026, and its App Store description says it brings the look and feel of classic portable cassette players "to your iPhone Duo".
- Open
- Closed
Moises
Moises Systems
AI stem separation for practice, with the mix beside the lyrics and chords
Launch partner: Named by Apple in its Newsroom article of October 22, 2026, on apps optimized for iPhone Duo. The App Store release notes for version 2.152.0 (released October 27, 2026) don't mention the Duo.
- Open