FFT

What changes on iPhone Duo

A real-time spectrum analyzer whose screens adapt to every pose.

How it uses the fold

• Big screenUses the full 7.6″ inner display
• TabletopSpecial layout when half-folded on a surface
• Cover screenDesigned to work closed, on the 5.4″ outer display

Screenshots

Images from the App Store; they may show the standard iPhone layout.

How we verified it

Confirmed in the app’s App Store release notes (v7.10)

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