Does ReittiGPS work on iPhone Duo?
Probably. The release notes for ReittiGPS 3.1 (November 8, 2026) mention iPhone Duo. No owner has reported how it runs yet.
Tried ReittiGPS on your Duo? Be the first to reportNobody has reported how this app runs on iPhone Duo yet.
Tried it on a Duo? Your report sets the first status.
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By position
From recent reports. “Didn't try” answers aren't counted.
App Store updates
Mentions iPhone Duo: “iPhone Duo and iPad: Extensive fixes and improvements to the side-by-side layout, scrolling, and map controls.”
Mentions iPhone Duo: “Support for iPad and iPhone Duo: See your saved destinations, route alternatives and journey details alongside a map on larger screens.”
Checked every few hours. Only builds made with the iOS 27.1 SDK, accepted since October 5, 2026, can use the whole inner display. Owner reports confirm whether an update did.
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Badge for developers
[](https://isitduoready.com/app/reittigps-reittiopas)
<a href="https://isitduoready.com/app/reittigps-reittiopas"><img src="https://isitduoready.com/app/reittigps-reittiopas/badge.svg" alt="iPhone Duo status of ReittiGPS" height="20"></a>
Shows ReittiGPS's current status and updates by itself. Add it to your README, website or press kit.