KO Reader

James Carrell II

Book

Is KO Reader ready for iPhone Duo?

Not ready

Runs in an iPhone-sized window with black bars on both sides.

Built with the iOS 26 SDK or older.

Version
1.0
Last App Store update
Apr 16, 2026
Checked daily
2 hours ago

KO Reader

KO Reader

Its iPhone screenshot, from the App Store

KO Reader on the inner screen: runs in an iPhone-sized window with black bars on both sides. It gets 1,127 × 2,007 pixels, drawn to the geometry measured in the simulator.

How we know

How we decide
  1. Release date

    Last updated Apr 16, 2026, before the iOS 27 SDK existed, so it can’t fill the screen.