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OpenNutriTracker vs Privacy Friendly Food Tracker: catalog facts
OpenNutriTracker	Privacy Friendly Food Tracker
Free Free and open source.	Free Free and open source under the GPL-3.0 licence.
Android, iOS	Android
Open source calorie tracking Privacy-focused design	No data collection by the developers or third parties Encrypted local database
Fewer features than large commercial food trackers Smaller food database than commercial services	Tracks calories rather than detailed macronutrients Android only
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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