Name: Universalis
Price: 9.99 USD
Author: Universalis Publishing

Ready

Fills the whole inner screen.

Built with the iOS 27.1 SDK or later.

Universalis

Universalis on the inner screen: fills the whole inner screen. It gets 2,853 × 2,007 pixels, drawn to the geometry measured in the simulator.

How we know

Developer says so
The notes for version 3.170 say:
Improved appearance on the iPhone Duo!

Is Universalis ready for iPhone Duo?