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FitBuddy vs OpenNutriTracker: catalog facts
FitBuddy	OpenNutriTracker
Free Free and open source under the GPL-3.0 licence.	Free Free and open source.
Android	Android, iOS
Logs meals from a photo or a typed description Editable ingredients and weights with live macro recalculation	Open source calorie tracking Privacy-focused design
Calorie and macro figures are model estimates, not measurements Android only	Fewer features than large commercial food trackers Smaller food database than commercial services
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it 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.