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