The Pomodoro Technique is a time management system that encourages people to work with the time they have—rather than against it. Using this method, you break your workday into 25-minute chunks separated by five-minute breaks. These intervals are referred to as pomodoros.
This app give you the defualt of the pomodoro technique, but you may increase or decrease the session and break minutes based on your need to not more than 60 minutes and less than 1 minute.