Have you ever wondered if people are spying on you? Not to be paranoid or anything, but we all leave our phones unattended sometimes. It's not hard for a friend—or foe—to take a quick look at your text messages. But don't fret.
Catchr ($2) does one thing, and it does it pretty well. Once you install the app and quit all of the apps you have running, Catchr will record all of the most basic activity on your phone, namely which apps are opened and closed. (It doesn't work on the Mail app due to App Store rules.) It will also tell you if your phone has been moved and show you where on a map, though it's not very precise as you can see in the map above.