Do you want to know which app do you mostly use on your iPhone? How much often do you use it? Or when did you use it last time? A new jailbreak tweak, App Stat, will help you to sort out these problem.
App usage statistics,frequency of use,use of time and recent use
App Stat Version 1.0
1.Frequency of use
2.Use of time.
This tweak will provide you a complete details about the apps. This will even prioritize them how often do you use them, Last time usage and For how long you used it? However, this app will work with iPhone, iPod Touch and iPad. All you need to do is to have iOS 3.2 or higher. And the best part is that it is absolutely free of cost. You can find this app in Cydia under Bigboss repo.