Does DexFold work on iPhone Duo?

Yes. DexFold has been 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 DexFold letterboxed on iPhone Duo?

No. DexFold fills the full inner display.

All apps

DexFold

Name: DexFold
Author: Hernan Rosario

Hernan RosarioEducation

View in the App Store

On iPhone Duo

Fits

DexFold 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 1.1
Build: iOS 27.1 SDK
uses Apple’s iPhone Duo APIs
Latest version: 1.1, Oct 20, 2026
Status updated: Nov 5, 2026

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Version history

Version 1.1Fits
iOS 27.1 SDK
Checked Nov 5, 2026

Sources

App Store build, version 1.1
Built with the iOS 27.1 SDK. Uses SwiftUI’s onHingeChange and reservedRegions, and the camera capture accessory scene role.