Is it Duo-ready?

OnPhone

AnyDay Apps

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Does OnPhone work on iPhone Duo?

Probably. The release notes for OnPhone 14.6.0 (November 10, 2026) mention iPhone Duo. No owner has reported how it runs yet.

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By position

Outer screenNo data
Inner screenNo data
Half-folded (tabletop)No data
Keeps your place when foldingNo data

From recent reports. “Didn't try” answers aren't counted.

App Store updates

All apps
Version 14.6.0

Mentions iPhone Duo: “Optimized for iOS 27 and iPhone DUO.”

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.

Report how it runs

How does OnPhone run on your Duo?

Screenshots

Optional, up to 4. Unfolded is most useful. We check each one before it's shown, and remove location and other hidden details.

Positions you tried

Outer screen
Inner screen
Half-folded (tabletop)
Keeps your place when folding

Optional. It helps people who use the phone a certain way.

Details

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Reports (0)

No reports yet.

Badge for developers

iPhone Duo status of OnPhone
Markdown
[![iPhone Duo status](https://isitduoready.com/app/onphone-second-mobile-number/badge.svg)](https://isitduoready.com/app/onphone-second-mobile-number)
HTML
<a href="https://isitduoready.com/app/onphone-second-mobile-number"><img src="https://isitduoready.com/app/onphone-second-mobile-number/badge.svg" alt="iPhone Duo status of OnPhone" height="20"></a>

Shows OnPhone's current status and updates by itself. Add it to your README, website or press kit.