AI stem separation for practice, with the mix beside the lyrics and chords
Does Moises work on iPhone Duo?
Yes. Apple named Moises among the apps optimized for iPhone Duo: musicians adjust vocals and instruments while following along with the lyrics and chords.
- Launch partnerNamed 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.
Adapted for the fold
- Open · Inner display
The mix beside lyrics and chords
Open, you adjust the vocals and instruments while following along with the lyrics and chords.
About Moises
Moises separates any song into vocals, drums, bass, guitar and other stems with AI, and lets musicians change its key and speed, with chord detection and a smart metronome.
Apple named it in its October 22 roundup of apps from Latin America: “Moises makes practice more immersive, letting musicians adjust vocals and instruments while following along with lyrics and chords.” The current release notes don’t mention the Duo.
Evidence reviews
What we checked, when, and what the evidence establishes. Each record preserves the support label at that check.
· Official announcement reviewed
Launch partner · iphone-duo
Read Apple's Newsroom article of October 22, 2026, on apps for iPhone Duo. It says: "Moises makes practice more immersive, letting musicians adjust vocals and instruments while following along with lyrics and chords."
Poses shown: Open. These are observations of the evidence, not a test of every interaction.
App version: Not recorded in this evidence.
An announcement from Apple, not a test: we haven't seen this layout running, and the article gives no app version.
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?
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Sources: Developers bring incredible new app experiences to iPhone Duo — Apple Newsroom (apple.com) · Moises on the App Store (apps.apple.com)
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
Marquee for Apple Music
Tasty Cocoa Software LLC
An Apple Music player whose styles keep the art and controls on either side of the fold
Simulator verified: James Frye of Tasty Cocoa Software LLC, the developer, in a submission to FoldHunt on October 22, 2026, and in a post on X on October 21 saying Marquee is "iPhone Duo ready on day 1". The Marquee iPhone Duo page and press kit say Duo support came in version 1.2.4 (October 6, 2026), and the press kit has unframed iPhone Duo screenshots at the sizes of the simulator's open display (2853 × 2007) and cover (1398 × 2034). The release notes for the current version, 1.2.6 (released October 14, 2026), are about the Vinyl player and don't mention the Duo.
- Book
- Open
- Closed