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FitBook vs FitBuddy: catalog facts
FitBook	FitBuddy
Free Free and open source under the MIT licence, with no ads.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Barcode scanning and OpenFoodFacts search Macro tracking and weight graphs	Logs meals from a photo or a typed description Editable ingredients and weights with live macro recalculation
Food data depends on OpenFoodFacts coverage Focused on nutrition rather than workouts	Calorie and macro figures are model estimates, not measurements Android only
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
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 October 2, 2026

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