I've used this app for years now and absolutely love it. You download it, set it up and never hear from it again well, unless you need to, which I hope you never do.
If you look on the site, it says it will cost you $5 per month but that's not really true. They do offer free, less featured' versions that offer a lot of what you need to help track down your device if it's stolen.
Prey lets you keep track of your laptop, phone and tablet whenever missing, whether you're in town or abroad. Open source, proven software with hundreds of documented recoveries all around the world.
If you look on the site, it says it will cost you $5 per month but that's not really true. They do offer free, less featured' versions that offer a lot of what you need to help track down your device if it's stolen.