Is it Duo-ready?

Second Phone Number ™ 2nd Line

Pretty Boa Media Ltd

View on App Store ↗Business

Does Second Phone Number ™ 2nd Line work on iPhone Duo?

Not yet. The latest version of Second Phone Number ™ 2nd Line we've seen on the App Store (3.6.00, released July 18, 2025) 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

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App Store updates

All apps
Version 3.6.00

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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iPhone Duo status of Second Phone Number ™ 2nd Line
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