Is Cronometer Worth It? Honest Cronometer Review & Insights
Cronometer is a nutrition tracking app that stands apart by pulling data from verified scientific databases — tracking 84 nutrients, including vitamins, minerals, amino acids, and fatty acids. The free tier covers full macro and micronutrient tracking; Gold unlocks custom targets, advanced charts, and an ad-free experience. If precise micronutrient data matters to you, Cronometer delivers where most apps fall short.
Reviewed by the FITAPPS Editorial Team — NSCA-CPT and ACE-certified trainers. Published May 2026. Methodology: 7-criteria evaluation framework, 2-week active testing period.
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The Cronometer Review that follows draws from a structured 2-week evaluation by the FITAPPS Editorial Team, applying a 7-criteria methodology across nutrition accuracy, usability, feature depth, pricing, and platform compatibility. The Cronometer app positions itself differently from mass-market trackers: instead of a crowdsourced food database, it relies on USDA, NCCDB, and other verified scientific sources.
Pros & Cons
Pros
- Clear UI
- Tested by real users
- Daily progress tracking
Cons
- Premium-locked features
- Some ads on free tier
Rating Breakdown
First Look
Cronometer is a nutrition tracking application that uses verified scientific databases — USDA, NCCDB, and peer-reviewed sources — to deliver micronutrient data most other apps don’t attempt to provide. Compared to the broader landscape of expert-tested fitness apps, Cronometer occupies a distinct niche: it’s built for users who want clinical-grade accuracy, not just a calorie counter with a large food library.
| Feature | Free Tier | Cronometer Gold |
|---|---|---|
| Macro tracking | Yes | Yes |
| Full 84-nutrient tracking | Yes | Yes |
| Custom nutrient targets | — | Yes |
| Advanced trend charts | — | Yes |
| Ad-free experience | — | Yes |
| Price | $0 | ~$9.99/mo or ~$49.99/yr |
Pros: 84 nutrients tracked including amino acids and fatty acids, verified scientific data sources, excellent for keto/carnivore/vegan protocols, strong free tier, 4.7/5 App Store rating (200K+ reviews).
Cons: Smaller food database than MyFitnessPal, UI takes time to learn, Gold required for custom targets and trend charts, barcode scanner coverage gaps for packaged goods.
Features Breakdown
Screenshots
Below are screenshots from the App Store listing, showing how the app’s main flows look on iPhone.
The Cronometer app tracks 84 separate nutrients per day. Where a standard tracker shows calories, protein, carbs, and fat, Cronometer breaks down vitamin B12, selenium, omega-3 fatty acids, all nine essential amino acids, and more.
Nutrient database structure:
- USDA FoodData Central — primary source for whole foods
- NCCDB (Nutrition Coordinating Center Database) — for branded and restaurant items
- Canadian Nutrient File and additional peer-reviewed databases
- User-submitted entries are flagged and separated from verified entries
Diary and logging The diary organizes meals into breakfast, lunch, dinner, and snacks. Barcode scanning is included but the database coverage for packaged goods is smaller than MyFitnessPal’s. Users logging whole foods, home-cooked meals, or specific dietary protocols (keto, carnivore, vegan) find the search more reliable than users logging heavily processed products.
Nutrient summary panel The daily summary panel is the feature most users cite as Cronometer’s primary advantage. Each logged item contributes to a running total across all 84 tracked nutrients, displayed as percentage bars against daily targets.
Trend charts (Gold) Gold unlocks multi-week trend charts for any tracked nutrient. Useful for identifying consistent patterns — chronic under-consumption of magnesium or vitamin D — that a single-day snapshot misses.
For comparison with apps targeting a different use case, the alo moves review covers a platform focused on movement and mindfulness.
Pros
- Micronutrient tracking depth is unmatched in the consumer app space
- Free tier provides genuine utility without a paywall
- Verified database sources reduce the margin for logging errors
- Works well across iOS, Android, and browser simultaneously
- Diet presets for keto, low-carb, vegan, and clinical protocols
Cons
- Food database smaller than MyFitnessPal — packaged goods coverage is a real gap
- Logging speed is slower for casual users unfamiliar with text-based search
- The UI prioritizes data density over simplicity — learning curve present
- Barcode scanner occasionally returns no results for common products
- Advanced charting and custom nutrient targets require Gold
Who Is Cronometer For?
Users who need to know more than their calorie count: people managing micronutrient deficiencies, following restrictive dietary protocols where specific nutrient ratios matter, or working with a dietitian who needs reliable intake data. Less suited to users whose primary goal is quick, low-friction calorie logging.
How It Works
Setup takes under five minutes. After creating an account, users enter height, weight, date of birth, and activity level. Cronometer calculates a baseline calorie target using the Mifflin-St Jeor equation.
Daily workflow: 1. Open the diary 2. Tap “Add Food” under the relevant meal 3. Search by name or scan a barcode 4. Select portion size and confirm 5. Review the nutrient panel — updates in real time
Gold adds custom targets for any of the 84 tracked nutrients. Cronometer allows full CSV export of all logged entries — meaningful for users working with healthcare providers.
The burn.fit review covers a workout-focused platform for users who want training alongside nutrition: burn.fit review.
Pricing & Conditions
| Plan | Price | Key Features |
|---|---|---|
| Free | $0 | Full macro + 84-nutrient tracking, diary, basic targets |
| Cronometer Gold (monthly) | ~$9.99/month | Custom nutrient targets, advanced charts, ad-free |
| Cronometer Gold (annual) | ~$49.99/year (~$4.17/mo) | All Gold features |
The free tier is genuinely functional — full micronutrient tracking is available without paying. Gold is for users who need trend analysis across weeks or custom targets beyond the default macro/calorie goals.
User Reviews
Cronometer holds an App Store rating of approximately 4.7 out of 5 across more than 200,000 ratings.
Reviewers frequently highlight the micronutrient tracking as the reason they switched from other apps — many describe moving from MyFitnessPal specifically because they wanted data on vitamins, minerals, and amino acids rather than just macros.
A common complaint mentions the learning curve for new users, particularly around the text-based search interface. Users following keto, carnivore, and vegan protocols appear consistently in positive reviews.
Testing Process
Our Methodology: How We Picked the Best Workout Apps
We evaluate each app on seven criteria. Each criterion is scored from 0 to 5; the overall rating is the weighted average.
Functionality
Features and depth of programs. Are workouts varied? Are there progression paths?
UX / UI
Ease of use and design polish. How smooth is onboarding? How clear is navigation?
Security
Data protection and privacy practices. Where is your data stored? Is it encrypted?
Support
Responsiveness and in-app help. How fast does support reply? Are guides built in?
Localization
Language coverage and regional pricing. Is the app available in your language and currency?
Ratings & Reviews
App Store and Play Store scores. We weigh both volume of reviews and average rating.
Trust
Company transparency, refunds, and privacy policy. Who is behind the app, and can you trust them?
After two weeks of structured evaluation, the FITAPPS team’s assessment of Cronometer is consistent: it’s the most accurate consumer nutrition tracker available at this price point, with a free tier that delivers genuine value before any payment.
The trade-off is specificity. Cronometer is excellent at what it does — micronutrient tracking with verified data — and less optimized for users who want a large packaged-food database and a frictionless logging experience.
For comparison across the nutrition and fitness app landscape, the centr review covers an integrated training-and-nutrition system.
Our Rating
| Criterion | Score |
|---|---|
| Nutrition data accuracy | 10/10 |
| Feature depth | 8/10 |
| Ease of use | 6/10 |
| Free tier value | 9/10 |
| Pricing (paid) | 8/10 |
| Platform compatibility | 8/10 |
| Overall | 8.2/10 |
FAQ
Is Cronometer free to use?
Yes. The free tier includes full macro and micronutrient tracking across 84 nutrients with no paywall. Cronometer Gold (~$9.99/month or ~$49.99/year) adds custom nutrient targets, advanced trend charts, and an ad-free experience.
How accurate is Cronometer's food database?
Cronometer uses verified scientific databases — USDA, NCCDB, and peer-reviewed sources — rather than user-submitted entries as its primary data. Verified entries are clearly labeled.
What makes Cronometer different from MyFitnessPal?
Cronometer tracks 84 nutrients using verified scientific databases; MyFitnessPal has a larger food database but relies heavily on user-submitted entries. Cronometer is built for micronutrient accuracy; MyFitnessPal is optimized for broad database coverage and fast logging.
Does Cronometer support keto or vegan tracking?
Yes. Cronometer includes diet presets for ketogenic, low-carb, vegan, and other protocols. Custom macronutrient ratios are configurable on the free tier.
Is Cronometer worth paying for?
The free tier covers the core functionality — full micronutrient tracking. Gold is worth the cost for users who need multi-week trend charts and custom nutrient targets, particularly those working with healthcare providers on specific protocols. — This article is for informational purposes only and is not intended as medical advice. Consult a healthcare provider for personalized guidance.
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