Signal Call

Matt Johnson

Sports

Is Signal Call 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
Jun 29, 2026
Checked daily
9 hours ago

Signal Call

Signal Call

Its iPhone screenshot, from the App Store

Signal Call 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 Jun 29, 2026, before the iOS 27 SDK existed, so it can’t fill the screen.