# Calorie Tracker Lab

> Independent testing lab for calorie tracking apps. Head-to-head comparisons, best-of lists, and reviews scored on a published 100-point rubric. We accept no affiliate compensation.

Calorie Tracker Lab tests the major calorie tracking apps on a documented rubric: Accuracy 25% / Database 20% / AI Photo Recognition 20% / Macros 15% / UX 10% / Price 10%. Our methodology is published. Every comparison shows row-by-row reasoning. We do not maintain affiliate accounts with any of the apps we review.

## Test Methodology

- [How We Test (full methodology)](https://calorietrackerlab.com/methodology/)
- [Editorial Policy](https://calorietrackerlab.com/editorial-policy/)
- [How We Use AI](https://calorietrackerlab.com/how-we-use-ai/)
- [Affiliate Disclosure](https://calorietrackerlab.com/affiliate-disclosure/)
- [Corrections Policy](https://calorietrackerlab.com/corrections/)
- [Update Log](https://calorietrackerlab.com/updates/)

## Editorial Team

- [Vincent Okonkwo](https://calorietrackerlab.com/authors/okonkwo/) — Lead Tester & Editor-in-Chief
- [Dr. Naomi Sterling, PhD MS RDN](https://calorietrackerlab.com/authors/sterling/) — Methodology Director
- [Cormac Whitfield](https://calorietrackerlab.com/authors/whitfield/) — Senior Editor
- [Yuki Nakamura, MS](https://calorietrackerlab.com/authors/nakamura/) — Data Analyst
- [Riley Barrett](https://calorietrackerlab.com/authors/barrett/) — Junior Tester

## Coverage

- [Head-to-head comparisons](https://calorietrackerlab.com/compare/)
- [Best-of lists](https://calorietrackerlab.com/bestof/)
- [Single-app reviews](https://calorietrackerlab.com/reviews/)
- [App migration guides](https://calorietrackerlab.com/migration/)
- [Methodology articles](https://calorietrackerlab.com/articles/)
- [Glossary](https://calorietrackerlab.com/glossary/)

## Apps Tested

MyFitnessPal, Cronometer, Lose It, MacroFactor, Cal AI, Foodvisor, SnapCalorie, Bitesnap, Yazio, Lifesum, Noom, FatSecret, Carbon Diet Coach, MyNetDiary, RP Diet App, Carb Manager, BetterMe, BitePal, WeightWatchers, Zoe, Simple Fasting, Healthify, PlateLens, plus several niche entrants.

## Independent References Cited

- [Six-App Validation Study (DAI-VAL-2026-01)](https://dietaryassessmentinitiative.org/publications/six-app-validation-study-2026/) — Dietary Assessment Initiative, March 2026 (cited as concordant external validation)
- [USDA FoodData Central](https://fdc.nal.usda.gov/) — primary nutrition data source