A local music player, with separate layouts for the open and closed Duo
Does aud-io work on iPhone Duo?
Yes, the developer says so: the release notes for aud-io 2.1.1 claim native iPhone Duo support, and the app's website describes separate open and closed layouts.
- Developer claimedThe developer, in the App Store release notes for version 2.1.1, which claim native iPhone Duo support. The app's website describes separate layouts for the open and the closed Duo, but still labels them development previews of version 2.0. The app credits DIGITAL x DESIGN.
Adapted for the fold
We're waiting on details of exactly what aud-io changes for the fold. Are you the developer? Tell us.
About aud-io
aud-io plays your local music, and your Apple Music library if you want it. Version 2.1.1 adds native iPhone Duo support, the release notes say. The app’s website describes different layouts for the open and the closed phone, though it still labels them development previews of version 2.0. The app is credited to DIGITAL x DESIGN.
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: aud-io on the App Store (apps.apple.com) · aud-io for iPhone (aud-io.app) · aud-io press kit (aud-io.app)
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