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FatSecret Clinical Report (2026): The Fully-Free Calorie Tracker

By , RD, MS Published Updated Last reviewed

Score Breakdown

Clinical Evaluation Framework — 100 points
Criterion Weight Sub-score
Evidence & Validation 25% 62/100
Clinical Accuracy 20% 68/100
AI Recognition Performance 15% 58/100
Macronutrient & Goal Framework 10% 70/100
Behavioral Adherence 10% 76/100
Privacy & Security 10% 70/100
Cost & Accessibility 10% 92/100
Overall 100% 70/100

Strengths / Limitations

Strengths

  • Fully-free core feature surface
  • Premium is only $2.99/month for ad-free
  • Open API with long history
  • Strong international localization

Limitations

  • UI is utilitarian, dated relative to Lifesum / Yazio
  • Database has crowdsourced noise
  • Reports lag paid trackers

Clinical Evaluation Framework Scoring

CriterionWeightSub-score
Evidence & Validation25%62/100
Clinical Accuracy20%68/100
AI Recognition Performance15%58/100
Macronutrient & Goal Framework10%70/100
Behavioral Adherence10%76/100
Privacy & Security10%70/100
Cost & Accessibility10%92/100

Overall: 70/100. Evidence Grade C.

Last reviewed: 2026-05-22. See our Clinical Evaluation Framework and no-affiliate disclosure.