Is it Duo-ready?

PayIn4 Total

Thirteen32 Pty Ltd

Does PayIn4 Total work on iPhone Duo?

Not yet. The latest version of PayIn4 Total we've seen on the App Store (1.0.4, released August 25, 2026) came out before Apple started accepting iOS 27.1 SDK builds on October 5, 2026, so it isn't built for the full iPhone Duo display. Depending on how it was built, it either fills most of the inner display or opens in a smaller window with empty space around it.

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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

Version 1.0.4

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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How does PayIn4 Total run on your Duo?

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Positions you tried

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

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Badge for developers

iPhone Duo status of PayIn4 Total
Markdown
[![iPhone Duo status](https://isitduoready.com/app/payin4-total/badge.svg)](https://isitduoready.com/app/payin4-total)
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<a href="https://isitduoready.com/app/payin4-total"><img src="https://isitduoready.com/app/payin4-total/badge.svg" alt="iPhone Duo status of PayIn4 Total" height="20"></a>

Shows PayIn4 Total's current status and updates by itself. Add it to your README, website or press kit.