Does Tachimanga work on iPhone Duo?

Yes. Tachimanga 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 Tachimanga letterboxed on iPhone Duo?

No. Tachimanga fills the inner display.

All apps

Tachimanga

Name: Tachimanga
Author: Tekbrio LLC

Tekbrio LLCVideo & TV

View in the App Store

On iPhone Duo

Fits

Tachimanga 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 5.2
Build: iOS 27.1 SDK
uses Apple’s iPhone Duo APIs
Latest version: 5.2, Oct 19, 2026
Status updated: Oct 24, 2026

What owners report

1 report from people using iPhone Duo

Fits: 1
Partly fits: 0
Letterboxed: 0
Has issues: 0
Doesn’t work: 0

Most reports are from version 5.2.

Version history

Version 5.2Fits
iOS 27.1 SDK
Checked Oct 24, 2026
Owners report: Fits (1)

Sources

App Store build, version 5.2
Built with the iOS 27.1 SDK. Uses UIView.reservedRegions.