Meditation is letting the mind calm.
Shamatha meditation timer let's you concentrate in your meditation practice and not in watching the clock.
This aplication is easy to use, you just have to choose the time that you want meditate and when the time is over will sound a bell.
Before you start the meditation the timer countdown 5 seconds for give you time to put in right position and later sound a bell.
Zen Meditation, etc
At the first screen you can see the acumulation time of your practices.
Were added daily and weekly statistics