Cronometer
by Cronometer Software Inc. · Health & Fitness · Calorie & Nutrition Tracking
Detailed nutrition tracking app focused on micronutrient data using the NCCDB verified database. Popular among health professionals and biohackers for its comprehensive nutritional analysis.
Quick Answer: Cronometer has a verified Real Score of 4.1/5 based on 8,923 verified reviews, compared to its App Store rating of 4.6/5. Highly recommended by verified users.
Real Score vs App Store Rating
App Store Rating
Includes unverified reviews
Verified Real Score
Based on 8,923 verified reviews
Gap Alert: Cronometer's App Store rating is 0.5 points higher than its verified Real Score. This suggests that some store reviews may be inflated by fake or incentivized ratings.
Pros & Cons
What Users Love
- Most detailed micronutrient tracking
- NCCDB verified database (not user-submitted)
- Excellent for specific diets (keto, carnivore)
- Professional-grade nutritional data
Common Complaints
- Clunky, outdated user interface
- Steep learning curve
- No AI photo recognition
- Slow daily logging process
- Small database for packaged foods
- Intimidating for beginners
Verified Reviews (20)
Best for micronutrient data
Cronometer has the most detailed micronutrient database of any consumer app. As a healthcare professional I appreciate the scientific accuracy. However the interface is clunky and intimidating for most people. Not beginner friendly at all.
Accurate but ugly
The data in Cronometer is second to none. The UI? Second to all. It looks like it was designed in 2010 and never updated. If you can get past the interface the nutrition tracking is excellent. Tracks tons of micronutrients.
The serious trackers choice
If you care about detailed nutrition data, Cronometer is the gold standard. Not for casual users. You need to know what youre doing. But the depth of data is unmatched (or was until some newer apps caught up).
Too complex for daily use
Downloaded Cronometer because everyone on Reddit raves about it. The data is great but using it daily is a chore. No photo recognition, clunky search, confusing layout. Went back to a simpler app after 2 weeks.
Perfect for my keto diet
Cronometer is the best app for tracking net carbs and detailed macros for keto. The micronutrient tracking helps me make sure Im not deficient in anything. Just wish it was easier to use on a daily basis.
Data nerds dream
As someone who loves data, Cronometer is amazing. Charts, graphs, detailed breakdowns of every nutrient. But I spend way too long logging each meal. Wish it had AI scanning like some of the newer apps.
Learning curve is steep
Took me a solid week to figure out how to use this app properly. The food search is particular and the custom food entry is confusing. Once you learn it its powerful but most people will give up before then.
Best professional-grade tracker
My dietitian uses Cronometer with all her clients. The NCCDB database is more accurate than user-submitted databases. If accuracy is your top priority and you dont mind a dated interface, this is it.
Wish it was more user friendly
The nutrition data is excellent - tracks way more micronutrients than MFP or Lose It. But the app feels like work to use. Every logging session takes forever compared to simpler apps. Accuracy vs convenience tradeoff.
Good data, bad UX
Cronometer has amazing nutritional data but the user experience is poor. Slow to load, no photo features, small database for packaged foods. Great for whole foods and home cooking though. Mixed feelings.
Unmatched nutritional depth
Nothing else comes close to Cronometer for micronutrient tracking. I can see every vitamin, mineral, amino acid in my diet. The gold version is worth it for the advanced reporting. Not pretty but powerful.
Too niche for most people
Great app for biohackers and nutrition nerds. Overkill for anyone who just wants to count calories. The interface alone will scare away 90% of users. I respect it but dont enjoy using it daily.
Slowly improving
Cronometer has been getting better with updates. Still not the prettiest app but the database keeps growing and the interface has improved slightly. The core nutrition tracking remains the best in class for detail.
The database is incredible
Using NCCDB data instead of user-submitted entries means Cronometers data is actually reliable. Every entry has been verified. Compare that to MFP where random users submit whatever they want. Accuracy matters.
Good for research, bad for daily use
I use Cronometer when I need detailed nutrition analysis but a different app for daily logging. The daily experience is just too slow and clunky. If they ever modernized the UX it would be unstoppable.
Best for specific diets
If youre on keto, carnivore, or any specific diet that requires precise tracking, Cronometer is the way to go. The level of detail is necessary for these protocols. Casual dieters should look elsewhere.
Worth the learning curve
Took me awhile to get comfortable but now I cant imagine using anything less detailed. Cronometer has spoiled me with its nutritional data. Every other app feels incomplete in comparison. Just wish logging was faster.
No photo scanning in 2024?
The fact that Cronometer still doesnt have AI photo recognition is baffling. Their data is great but manually searching and logging every food item in 2024 is painful. Need to modernize.
My nutritionist loves it
Every nutritionist and dietitian I know recommends Cronometer for its data quality. Its the clinical-grade option. Not sexy but reliable. I use it religiously for my health conditions that require careful nutrient monitoring.
Functional but dated
Cronometer does what it does very well but it feels like an app from a different era. No AI, no photo features, clunky interface. The nutrition data is top tier though. Would love to see a major UI overhaul.
Showing 1-20 of 12,847 reviews
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Last updated: April 2026