Cronometer Review 2026: The Best App for Micronutrient Tracking?

Quick Verdict

Rating	7.5 out of 10
One-line summary	The gold standard for micronutrient nerds, with a verified database and serious nutritional depth, but held back by a dated mobile experience and lack of modern AI features.
Best for	Health-focused users who want detailed micronutrient data they can trust
Price	Free (limited) / $8.49 per month Gold

Cronometer has earned a loyal following among nutrition enthusiasts, biohackers, and healthcare professionals who care about more than just calories and macros. While most calorie trackers stop at protein, carbs, and fat, Cronometer digs into vitamins, minerals, amino acids, and more. We used it daily for a full month to evaluate whether its reputation for accuracy holds up in 2026.

What Is Cronometer?

Cronometer is a nutrition tracking application available on iOS, Android, and web. Founded in 2011 by a team in Revelstoke, British Columbia, the app differentiates itself through its commitment to verified nutritional data and detailed micronutrient tracking. Rather than relying on a crowdsourced database, Cronometer primarily uses data from government sources like the USDA, NCCDB, and international food composition databases.

The app also offers a professional version for dietitians and healthcare providers, making it one of the few consumer nutrition apps with real clinical credibility.

Key Features

Verified food database. Cronometer uses data from trusted government and laboratory sources. User-submitted entries are clearly labeled so you can distinguish verified data from community contributions. This approach prioritizes accuracy over database size.

Micronutrient tracking. This is where Cronometer genuinely excels. The app tracks over 80 nutrients including individual vitamins (B1, B2, B3, B5, B6, B7, B9, B12), minerals (zinc, selenium, manganese, chromium), amino acids, fatty acids, and more. Daily targets are based on established dietary reference intakes.

Nutrient targets and Oracle. Cronometer lets you set custom nutrient targets or use built-in recommendations. The Oracle feature provides visual breakdowns of how close you are to hitting each micronutrient target, displayed as easy-to-read bar charts.

Biometric tracking. Beyond food, Cronometer tracks biometrics including weight, body fat, blood pressure, blood glucose, ketones, and more. This makes it popular with people managing specific health conditions.

Exercise logging. The app includes exercise tracking with integration to Apple Health, Google Fit, Fitbit, Garmin, and several other platforms.

Fasting timer. Cronometer includes a built-in intermittent fasting timer, a useful addition for users following time-restricted eating protocols.

Pricing Breakdown

Plan	Price	What You Get
Free	$0	Basic food logging, micronutrient dashboard, limited diary features, ads on web.
Gold Monthly	$8.49/month	Ad-free, custom charts, fasting timer, recipe sharing, food timestamps, priority support.
Gold Annual	$49.99/year (~$4.17/month)	Same as Gold, billed annually.

Cronometer's pricing is mid-range for the category. The free tier is more functional than many competitors, offering micronutrient tracking from day one. Gold adds convenience features and removes ads but does not gate core tracking functionality.

Pros

1. Verified database you can actually trust. This is Cronometer's defining advantage. The primary reliance on government-verified data sources means the nutritional information you log is significantly more reliable than crowdsourced alternatives. When you log a banana in Cronometer, you get accurate data for dozens of micronutrients, not a rough calorie estimate submitted by a random user.

2. Unmatched micronutrient depth. Tracking over 80 nutrients puts Cronometer in a different league from most competitors. If you want to know whether you are hitting your zinc, selenium, or vitamin K2 targets, Cronometer is one of the very few apps that can tell you. The visual nutrient target displays make it easy to spot gaps in your diet at a glance.

3. Clean, data-focused interface. Cronometer's design is straightforward and functional. It does not clutter the experience with social features, challenges, or gamification. For users who just want to log food and see data, this focus is refreshing.

4. Strong professional credibility. The pro version for dietitians and the app's use in clinical settings lends real credibility. If your nutritionist recommends a tracking app, there is a good chance it will be Cronometer.

5. Reasonable Gold pricing. At $8.49 per month or $4.17 per month on the annual plan, Gold is priced fairly for what you get. The free tier is also genuinely usable, which is increasingly rare in this category.

Cons

1. No AI features. Cronometer offers no AI photo recognition, no voice logging, and no intelligent barcode features. Every food entry is manual: search, select, confirm. In 2026, when competitors are letting you snap a photo of your plate or say "I had a chicken Caesar salad for lunch," this feels like a meaningful gap.

2. The mobile experience feels dated. While functional, Cronometer's mobile app has not kept pace with modern UI conventions. Navigation can feel clunky, animations are minimal, and the overall look and feel trails behind competitors like Yazio, Lifesum, and even newer entries to the market. The web app is excellent, but most people track on their phones.

3. Limited food database size. The trade-off for verified data is a smaller database. Cronometer's database covers common whole foods and many branded products, but you will run into gaps more often than with MFP's 14-million-item library. Eating at restaurants or buying regional products sometimes means creating custom entries.

4. Steep learning curve. The depth of data that makes Cronometer powerful also makes it intimidating for beginners. The sheer number of nutrients, the Oracle feature, biometric tracking, and custom targets can overwhelm someone who just wants to count calories and lose weight.

5. Limited social features. If community and accountability are important to your tracking habits, Cronometer offers very little. There is no friend system, no social feed, and no challenges. It is a solo experience by design.

Who Cronometer Is Best For

Cronometer is ideal for health-conscious users who care about micronutrient completeness, not just calories and macros. It suits people following specific dietary protocols like keto, carnivore, or plant-based diets where micronutrient gaps are a real concern. It is also excellent for anyone working with a healthcare provider who needs detailed nutritional data.

Who Should Look Elsewhere

If you are new to nutrition tracking and just want a simple, guided experience for counting calories, Cronometer's depth may be more than you need and its learning curve may slow you down. If you value modern logging methods like AI photo recognition or voice logging, Cronometer does not offer them. Social dieters who rely on community motivation will find the experience isolating.

How Nutrola Compares

Feature	Cronometer	Nutrola
Price	Free / $8.49/mo Gold	€2.50/month
Ads	Yes (free web)	None on any tier
Food database	Verified (government sources)	1.8M+ verified
Nutrients tracked	80+	100+
AI photo logging	No	Yes
AI voice logging	No	Yes
AI barcode scanner	No	Yes (AI-powered)
Smartwatch app	No	Apple Watch + Wear OS
Recipe import	Gold only	Included
Languages	2 (English, Chinese)	9

Nutrola and Cronometer share a philosophical commitment to verified food data, which immediately sets both apart from crowdsourced alternatives. Where they diverge is in the tracking experience itself.

Nutrola tracks over 100 nutrients compared to Cronometer's 80+, giving it a slight edge in micronutrient depth. But the bigger difference is in how you log food. Nutrola offers AI-powered photo recognition, voice logging, and an intelligent barcode scanner, all features Cronometer lacks entirely. These reduce the friction of daily logging considerably, especially on mobile.

Pricing also favors Nutrola. At €2.50 per month with no ads, it costs less than half of Cronometer Gold while including features like recipe import and smartwatch apps that Cronometer reserves for paid users or does not offer at all.

Where Cronometer maintains an edge is in its established clinical credibility and its detailed biometric tracking capabilities. The professional version used by dietitians is a genuine differentiator. Cronometer also benefits from its long track record with health-focused communities.

Final Verdict

Cronometer remains one of the most trustworthy nutrition trackers available in 2026, and its micronutrient depth is genuinely best-in-class among established apps. If nutritional accuracy is your top priority and you do not mind a no-frills, manual logging experience, Cronometer delivers where it matters most.

But the lack of AI features, a dated mobile UX, and a smaller database compared to the broader market mean Cronometer is not for everyone. It rewards dedicated, data-literate users and leaves casual trackers behind. The world of nutrition tracking has evolved significantly, and while Cronometer's foundation is rock-solid, its feature set could use a modern refresh.

Rating: 7.5 out of 10

FAQ

Is Cronometer free in 2026? Yes, there is a free tier that includes food logging and micronutrient tracking. Gold costs $8.49 per month or $49.99 per year and adds features like custom charts, the fasting timer, and ad removal.

Is Cronometer's food database accurate? Cronometer is widely considered one of the most accurate nutrition apps available. Its primary data comes from government sources like the USDA and NCCDB, and user-submitted entries are clearly labeled.

How many nutrients does Cronometer track? Cronometer tracks over 80 nutrients including vitamins, minerals, amino acids, and fatty acids.

Does Cronometer have AI features? No. Cronometer does not offer AI photo recognition, voice logging, or AI-enhanced barcode scanning as of 2026.

Is Cronometer good for beginners? Cronometer can be overwhelming for beginners due to the depth of data it presents. Users who just want basic calorie and macro tracking may find simpler alternatives more approachable.

Does Cronometer have an Apple Watch app? No. Cronometer does not offer a dedicated Apple Watch or Wear OS app.

What is the best Cronometer alternative? Nutrola offers similar verified data and tracks over 100 nutrients, while adding AI photo, voice, and barcode logging plus Apple Watch and Wear OS support for €2.50 per month. MyFitnessPal is an alternative if you want the largest possible food database.