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Calorimeter vs Waistline: catalog facts
Calorimeter	Waistline
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source.
Android	Android
Personal food database built from the foods you actually eat Scanning of purchased foods for quick entry	Free and open-source calorie counter Food diary and weight tracking in one app
Little documentation beyond the store description Android only	Android only Web-based Cordova app rather than a native one
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	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.