Is it Duo-ready?

Watt Charging Speed

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Does Watt Charging Speed work on iPhone Duo?

Probably. The release notes for Watt Charging Speed 1.5 (October 26, 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

Version 1.5.1

Released after Duo submissions opened

Version 1.5

Mentions iPhone Duo: “Battery sizes for iPhone 18 Pro, iPhone 18 Pro Max, iPhone Duo and iPhone 17e, and for iPad Pro (M5), iPad Air (M3 and M4), iPad (A16) and iPad mini (A17 Pro)”

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 Watt Charging Speed 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)

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Badge for developers

iPhone Duo status of Watt Charging Speed
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