Cronometer vs OpenNutriTracker
Side-by-side comparison of features, pricing, ratings, and alternatives.
Cronometer is a nutrition and diet tracking app that goes beyond basic calorie counting to monitor macronutrients and up to 95 vitamins, minerals, and other micronutrients. Food can be logged by barcode scan, photo, voice, or text search against a database of more than one million verified foods, and results sync with devices like Fitbit, Apple Health, Garmin, and Oura.
OpenNutriTracker is a free and open source calorie tracker that prioritizes simplicity and user privacy. It allows users to easily track their daily calorie intake without the need for complex features or data sharing.
- Tracks far more micronutrients than typical calorie-counting apps
- Large, verified food database improves logging accuracy
- Strong device and wearable integrations
- Dedicated professional tier for dietitians and coaches
- Free and open source
- Simple and easy to use
- Private and secure data storage
- Customizable to meet individual needs
- Free plan limits historical data to a 7-day window
- Detailed nutrient tracking has a learning curve for casual users
- Pro tier pricing is per-seat and aimed at practitioners, not individuals
- Limited features compared to commercial alternatives
- Android and iOS only - there is no web or desktop version
- Limited support options
- No integration with popular health and fitness services
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Detailed nutrition tracker that logs up to 95 micronutrients from a database of verified foods.
The Verdict
AI-generated from listing dataOpenNutriTracker offers a free, privacy‑focused basic calorie tracker, while Cronometer provides a richer, integrated nutrition platform with a freemium model and paid professional tier.
Key differences
- •Pricing model: OpenNutriTracker is completely free; Cronometer has a free tier with limited history and paid plans for full features.
- •Nutrient depth: OpenNutriTracker tracks calories only; Cronometer logs up to 95 micronutrients.
- •Integrations: OpenNutriTracker has none; Cronometer connects to Fitbit, Apple Health, Garmin, Oura, Dexcom, etc.
- •Platform availability: OpenNutriTracker is mobile‑only (Android/iOS); Cronometer is cloud/SaaS with mobile apps and web access.
- •Support: OpenNutriTracker offers email only; Cronometer provides help‑center, email, and direct support for Pro users.
Pricing & value
OpenNutriTracker is fully free; Cronometer’s full feature set requires paid Pro or Gold plans.
Ease of use / learning curve
OpenNutriTracker’s simple calorie‑only UI is easier for casual users than Cronometer’s detailed micronutrient interface.
Features & depth
Cronometer tracks macronutrients plus up to 95 micronutrients and offers AI coaching; OpenNutriTracker tracks calories only.
Integrations & ecosystem
Cronometer integrates with major wearables and health platforms; OpenNutriTracker has no integrations.
Collaboration
Cronometer Pro lets dietitians manage multiple clients; OpenNutriTracker lacks any collaboration features.
Support
Cronometer offers help center, email, and direct Pro support; OpenNutriTracker provides only email support.
Security & privacy
OpenNutriTracker emphasizes private, local data storage; Cronometer stores data in the cloud (no privacy claim noted).
Choose Cronometer if…
Users who want detailed nutrient analysis, device integrations, or professional client management and are willing to pay for it.
Choose OpenNutriTracker if…
Individuals who need a simple, free calorie tracker and prioritize data privacy over advanced features.
Common questions
Can I use the app on a desktop or web browser?
OpenNutriTracker is mobile‑only (Android/iOS); Cronometer offers cloud/SaaS access via web and mobile apps.
Is there any cost to track more than 7 days of history?
Yes, Cronometer’s free plan limits history to 7 days; unlimited history requires a paid plan. OpenNutriTracker has no such limit.
Do either of the apps integrate with my Fitbit or Apple Health data?
OpenNutriTracker has no integrations. Cronometer integrates with Fitbit, Apple Health, Garmin, Oura, Dexcom, etc.