Prey is described as 'lightweight application that will help you track and find your laptop or mobile if it ever gets stolen. It works in Windows, Mac OsX, Linux and Android' and is a well-known app in the Security & Privacy category. There are more than 25 alternatives to Prey for a variety of platforms, including Android, iPhone, Mac, Android Tablet and iPad. The best alternative is Lookout Mobile Security, which is free. Other great apps like Prey are Find My (Free), Cerberus (Paid), Android Lost (Free) and Wheres My Droid (Freemium).