Does 101cam work on iPhone Duo?

Yes. 101cam 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 101cam letterboxed on iPhone Duo?

No. 101cam fills the inner display.

All apps

101cam

Name: 101cam - Film & Digital Camera
Author: SNOW Corporation

SNOW CorporationPhoto & video

View in the App Store

On iPhone Duo

Fits

101cam 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 1.2.6
Build: iOS 27.1 SDK
uses Apple’s iPhone Duo APIs
Latest version: 1.2.6, Oct 23, 2026
Status updated: Oct 26, 2026

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Version history

Version 1.2.6Fits
iOS 27.1 SDK
Checked Oct 26, 2026

Sources

App Store build, version 1.2.6
Built with the iOS 27.1 SDK. Uses UIHingeInteraction, SwiftUI’s reservedRegions, the camera capture accessory scene role, AVCaptureDeviceDirectionCoordinator and the inner and outer ultra-wide camera types.