Does London Transport work on iPhone Duo?

Yes. London Transport 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 London Transport letterboxed on iPhone Duo?

No. London Transport fills the full inner display.

All apps

London Transport

Name: London Transport: Tube & Bus
Author: Transit Now ltd

Transit Now ltdMaps

View in the App Store

On iPhone Duo

Fits

London Transport 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 2026.11.3
Build: iOS 27.1 SDK
uses Apple’s iPhone Duo APIs
Latest version: 2026.11.3, Oct 30, 2026
Status updated: Nov 5, 2026

What owners report

No owner reports yet. Add yours

Version history

Version 2026.11.3Fits
iOS 27.1 SDK
Checked Nov 5, 2026

Sources

App Store build, version 2026.11.3
Built with the iOS 27.1 SDK. Uses UIHingeInteraction, UIView.reservedRegions and systemTraitsAffectingVerticalBarEdge.