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Calorimeter vs Lose It!: catalog facts
Calorimeter	Lose It!
Free Free and open source under the GPL-3.0-or-later licence.	Freemium Free to sign up, with paid features available.
Android	Android, iOS, Web
Personal food database built from the foods you actually eat Scanning of purchased foods for quick entry	Several quick logging methods: voice, barcode and photo Macro and water tracking
Little documentation beyond the store description Android only	Some features require a paid plan Centred on weight loss rather than other goals
Downloadable app	Downloadable app, Web application
Open source	Closed source
License: GPL-3.0-or-later	License not stated
Not stated if an account is needed	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 September 23, 2026

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