Does Qobuz work on iPhone Duo?

Yes. Qobuz is updated for iPhone Duo and uses the full inner display. Its latest version is built with the iOS 27.1 SDK and uses Apple’s iPhone Duo APIs.

Is Qobuz letterboxed on iPhone Duo?

No. Qobuz fills the inner display.

All apps

Qobuz

Name: Qobuz: Music & Editorial
Author: Qobuz

QobuzMusic

View in the App Store

On iPhone Duo

Fits

Qobuz fills the inner screen and adapts when you fold.

Its latest version is built with the iOS 27.1 SDK and uses Apple’s iPhone Duo APIs.[1]

How we know: From the app’s build
Checked on: Version 10.2.0
Build: iOS 27.1 SDK
uses Apple’s iPhone Duo APIs
Latest version: 10.2.0, Oct 19, 2026
Status updated: Oct 26, 2026

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Version history

Version 10.2.0Fits
iOS 27.1 SDK
Checked Oct 26, 2026

Sources

App Store build, version 10.2.0
Built with the iOS 27.1 SDK. Uses UIView.reservedRegions.