OpenDisplay

opendisplay.app

OpenDisplay: free, open-source Sidecar/Duet alternative

Use your iPhone, iPad, Mac or Android device as a second monitor for your Mac, over USB or WiFi. No subscription, no dongle, no account.

Duration

0:09

Aspect ratio

1.91:1

Resolution

1200 × 630

Sound

None

Added

October 27, 2026