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FitBook vs OpenNutriTracker: catalog facts
FitBook	OpenNutriTracker
Free Free and open source under the MIT licence, with no ads.	Free Free and open source.
Android	Android, iOS
Barcode scanning and OpenFoodFacts search Macro tracking and weight graphs	Open source calorie tracking Privacy-focused design
Food data depends on OpenFoodFacts coverage Focused on nutrition rather than workouts	Fewer features than large commercial food trackers Smaller food database than commercial services
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.