This app lets you create a list of bad habits which you want to quit. It shows you the length of time which has passed since you last succumbed to the habit. When you accidentally do your habit, you hit the 'oops' button and reset the timer. The app shows you your current streak compared with your best streak. No internet connection is required, all data is saved locally, and there are no ads or in-app purchases. Good luck, I hope it helps you!