Focustime

Focus time is designed to help people who are looking for tool to organize their work and get things done. This app is based on Pomodoro technique, divide your work into focused sessions, preferably 25 mins each and try to focus only on that one particular task during this time, once finished take a small break and continue the session.
After completing 3 -4 sessions take a long break. This is very simple but effective technique.