A free program for Android, by BodyFast UG.

BodyFast is an easy-to-use and effective intermittent fasting tracker for both men and women. This is a powerful and scientifically proven tool that will help you lose weight and get healthy. The app provides daily fasting schedules for every user and it also includes full meal schedules and a list of recipes that you can cook. The app calculates the fasting plan that is best for you, based on your goals and health conditions.

The app is very simple and easy to use. Once you start using it, you will be able to track your weight loss progress neatly.