A free app for Android, by level38.

Kolo is an easy-to-use assistant for anyone who wants to practice intermittent fasting. It provides all the information you need to make the right decisions when it comes to your health and fitness.

Intermittent fasting is a natural, effective, and healthy way to lose weight.

Kolo allows you to create your own intermittent fasting plan. You can also choose the duration of the fasts and the number of fasts per week. 

You’ll also be able to find weight loss programs within the app fit for advanced users.