Does 快手 work on iPhone Duo?

Yes. 快手 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 快手 letterboxed on iPhone Duo?

No. 快手 fills the inner display.

All apps

快手

Name: 快手
Author: Beijing Kwai Technology Co., Ltd.

Beijing Kwai Technology Co., Ltd.Photo & video

View in the App Store

On iPhone Duo

Fits

快手 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 14.9.20
Build: iOS 27.1 SDK
uses Apple’s iPhone Duo APIs
Latest version: 14.9.20, Oct 24, 2026
Status updated: Oct 24, 2026

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Version history

Version 14.9.20Fits
iOS 27.1 SDK
Checked Oct 24, 2026

Sources

App Store build, version 14.9.20
Built with the iOS 27.1 SDK. Uses UIHingeInteraction.