Does 星巴克中国 work on iPhone Duo?

Yes. 星巴克中国 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 星巴克中国 letterboxed on iPhone Duo?

No. 星巴克中国 fills the inner display.

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星巴克中国

Name: 星巴克中国
Author: Starbucks Coffee Company

Starbucks Coffee CompanyShopping

View in the App Store

On iPhone Duo

Fits

星巴克中国 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 10.30.1
Build: iOS 27.1 SDK
uses Apple’s iPhone Duo APIs
Latest version: 10.30.1, Oct 22, 2026
Status updated: Oct 27, 2026

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Version history

Version 10.30.1Fits
iOS 27.1 SDK
Checked Oct 27, 2026

Sources

App Store build, version 10.30.1
Built with the iOS 27.1 SDK. Uses UIHingeInteraction, UIArrangementViewController and UIOverlayArrangement.