of your friends arefasting right now!


Track all types of intermittent fasting, from time-restricted eating to alternate day fasting. Also log weight, waist circumference, ketones and blood glucose.

Get Friendly

You don’t have to do it alone. Create circles of friends, co-workers or others to share your successes.


Learn about the health benefits of intermittent fasting, tips, tricks and more.

Feel Secure

Our technology is as secure as the software that stores your medical records.

Fasting for Life

Improve your health with Intermittent Fasting


The only app you need for fasting

Beautiful Interface
Start and stop fasts with a single tap. See at a glance how you’re progressing with your current fast and when you’ve crossed over into the magical “keto zone”.

Fast Your Way
Supports all types of intermittent fasting. A simple tap to do 16:8, 24 hours or any other fasting window you want.

Learning Library
Delve into the science behind intermittent fasting by means of easy-to-understand videos and articles. Benefit from a stream of new information related to health and longevity.

Fast with Friends 
Be part of a community of people working to incorporate intermittent fasting into their daily lives. Share your results and encourage others.

Keto Zone
Visualize the point at which you’ve depleted your liver glycogen and have started to break down and burn fat to generate ketones. You can almost feel the fat melting away.

See Your Progress
Track your weight, waist circumference, ketones and blood glucose. See and feel your health improve.

LIFE Ambassador

Spread the word about the LIFE apps for precision health while getting rewards for helping others live healthier.

Learn More