ARToolKit for Unity Requirements
From ARToolworks support library
The following are requirements of ARToolKit for Unity:
- Unity Pro v3.5.2f2 or later, for Mac OS X or Windows.
- If deploying to Android, Unity Pro for Android.
- If deploying to iOS, Unity Pro for iOS plus Apple's Xcode v4.2 or later.
- A webcam or other video source supported by ARToolKit Professional.