Eat smater.
Live better.

Track your diet, exercise,
and health data.

As seen in

Available on Web, iOS and Android.

Develop healthy habits

Count your calories, ensure you're meeting nutrient targets, and
see your progress over time.

Track up to 84 nutrients and other compounds

Log your meals and track all your macro and micronutrients.

Log meals, exercise and health metrics

Plus, you can create custom foods, recipes, exercises and metrics.

Get valuable health reports and charts

Learn how nutrients and metrics correlate over time.

Custom diet settings

Set weight, macro and nutrient targets to meet your goals.

Fasting timer

Track your intermittent fasts and see their effect over time.

Diet support

Whether you’re Keto, Vegan, or on one recommended by your doctor.

Discover your nutrition

Cronometer encourages you to not just count your calories but to focus on your nutrition as a whole.

Over 6 million users

Join the community to get tips and inspiration from other users on our forums and Facebook group.

Accurate nutrition data

Be confident that the food you log has the correct nutrition data. We verify every food submission for accuracy.

Data privacy & security

We don't sell your account data to third parties and take the security of our users' accounts seriously.

Find out if you're getting the vitamins and minerals you need with our food diary app.

Sync with apps and devices

OptimunPro

For Health Professionals

Client diet management for nutritionists, dietitians, research teams, schools, and hospitals.