Call Timer is the most popular data manager, this app help to control data, sms and calls. This app comes with unique features. This app supports to make timer calls, so it will reduce the time duration of the outgoing and incoming calls. You call will be reach a configurable predefined time duration so it is the most effective app for the android user. With the help of this app you can make free calls, especially it will be free for your first five, ten as well as twenty minutes. It is the free app available with exiting features, so consider using this app to control data.