Phonalyzr

Phonalyzr displays useful graphs and usage summaries of your calling habits.

Phonalyzr uses your call and SMS logs to display graphs and usage summaries, giving you a new look into your phone usage habits. Track minutes and usage using summaries and 17 graphs such as top callers, phone usage over time and others.

App has a Google ad. Buy "Phonalyzr Pro" to get data tracking and no ads.