Witness turns your Mac into a home alarm system, using its iSight camera as a motion sensor. If motion is detected, Witness sends mugshots and video to your iPhone or iPad. Follow the steps below to get started.

2. Add Macs to your Alarm System

Download and install Witness on your Mac to add it as a motion sensor. You can find the Witness settings in System Preferences or under the Witness icon in your menu bar.

Download Witness
3. Get the Free iOS app

Whether you are at work, in class or at the other side of the world, the Witness iOS app lets you stay on top of what happens in your home, office or dorm room. The app allows you to arm and disarm the alarm and to view images and video as soon as motion is detected. The app is compatible with iPhone, iPad and iPod touch and is available in the App Store.

Get Free Witness App
4. Start Using Witness

Arm the alarm from your Mac, iOS app or from your account at witnessapp.com. Witness will send pictures and video as soon as motion is detected.