A free program for Android, by Intermittent Fasting Tracker.

This app is a very useful intermittent fasting tracker. You can easily track your fasts and see the progress. You can also keep a daily diary of the fasts you have done. It has the option to track the amount of water you have drunk as well.

The app is designed to be used for intermittent fasting for beginners. However, you can change the plan at any time, and you can also try out different fasting plans. The app will track your fasts, and you can see your progress. It has the option to log the amount of water you have drunk. It has various plans for you to choose from.