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Cronometer

Precision micronutrient tracker for 82 vitamins, minerals, and nutrients

½
4.5(28,640 reviews)
freemiumFree: full tracking. Gold: $8.99/mo for Oracle AI, fasting timer, advanced biometrics.View full pricing →

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https://cronometer.com

About Cronometer

Cronometer is a precision nutrition tracking app that goes far beyond calories — it tracks 82 micronutrients including vitamins, minerals, amino acids, and fatty acids. Where MyFitnessPal's community database has accuracy issues, Cronometer's database is curated from verified scientific sources (USDA, NCCDB). The AI-powered Oracle feature provides personalized dietary recommendations, and the Gold tier offers advanced biometric tracking and custom nutrient targets. Cronometer is the tool of choice for carnivore, keto, longevity-focused users, and clinical dietitians who need nutrient-level precision. It's particularly popular in the biohacking and optimized health communities.

Key Features

82 micronutrient tracking (vitamins, minerals, amino acids, fatty acids)
Verified scientific food database (USDA, NCCDB sources)
Oracle AI for personalized dietary recommendations
Fasting timer with biometric integration
Custom nutrient targets and diet templates
Biometric tracking (weight, body fat, blood glucose, HRV)
Export to CSV for dietitian review

Cronometer Pros & Cons

Pros

  • +Micronutrient depth is unmatched in any consumer nutrition app
  • +Database accuracy from verified scientific sources beats community-built databases
  • +Preferred by dietitians for clinical accuracy
  • +Perfect for specialized diets (keto, carnivore, vegan) that need nutrient granularity

⚠️ Cons

  • Steeper learning curve than simpler calorie counters
  • Food database is smaller than MyFitnessPal (verified = less volume)
  • UI is functional but not as polished as newer apps
  • Oracle AI is useful but not as conversational as dedicated AI nutrition coaches

Who Is Cronometer Best For?

👤Biohackers and longevity enthusiasts tracking micronutrients for optimal health
👤Keto and carnivore dieters monitoring electrolytes and fat ratios
👤Clinical dietitians who need scientifically accurate nutrient data
👤Athletes monitoring amino acid profiles for muscle synthesis

Tags

micronutrientsnutrition trackingvitaminsketocarnivorebiohackingdietitianfood log
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