RepeatDo - Starting a new habit or routine?
HabitBull - HabitBull
Driven - Leverage Pomodoro to form habits & finish to-do tasks ⏱️
Exist - Track everything in one place, understand your life.
Don't Break the Chain - Don't Break the Chain is based upon a motivation technique purportedly used by Jerry Seinfeld: 1) Pick a goal. 2) Mark off the days on which you work toward that goal. 3) Use your chain of marked off days as a motivator.
Habit Challenge - Habit Challenge is an elegant mobile app that helps you to create new daily routines and keep you on track.