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Calorimeter vs Privacy Friendly Food Tracker: catalog facts
Calorimeter	Privacy Friendly Food Tracker
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Personal food database built from the foods you actually eat Scanning of purchased foods for quick entry	No data collection by the developers or third parties Encrypted local database
Little documentation beyond the store description Android only	Tracks calories rather than detailed macronutrients Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	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 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.