Does Footpath Route Planner work on iPhone Duo?

Yes. Footpath Route Planner 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 Footpath Route Planner letterboxed on iPhone Duo?

No. Footpath Route Planner fills the inner display.

All apps

Footpath Route Planner

Name: Footpath Route Planner
Author: Half Mile Labs LLC

Half Mile Labs LLCMaps

View in the App Store

On iPhone Duo

Fits

Footpath Route Planner 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 5.1
Build: iOS 27.1 SDK
uses Apple’s iPhone Duo APIs
Latest version: 5.1, Oct 21, 2026
Status updated: Oct 27, 2026

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Version history

Version 5.1Fits
iOS 27.1 SDK
Checked Oct 27, 2026

Sources

App Store build, version 5.1
Built with the iOS 27.1 SDK. Uses UIHingeInteraction, UIView.reservedRegions and systemTraitsAffectingVerticalBarEdge.
App Store: Footpath Route Planner 5.1 release notes