Is it Duo-ready?

31Club サーティワン公式アプリ

B-R 31 ICE CREAM CO., LTD.

View on App Store ↗Food & Drink

Does 31Club サーティワン公式アプリ work on iPhone Duo?

Not known yet. 31Club サーティワン公式アプリ was updated on October 15, 2026, after Apple began accepting iPhone Duo builds, but the release notes don't mention iPhone Duo. No owner has reported how it runs yet. If you have one, you can add the first report.

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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 3.36.0

Released after Duo submissions opened

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

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iPhone Duo status of 31Club サーティワン公式アプリ
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