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MyFitnessPal vs Zero: catalog facts
MyFitnessPal	Zero
Freemium Free to start, with paid subscription features.	Freemium Free to download, with a paid subscription for additional features.
Android, iOS, Web	Android, iOS
Very large food database Photo and voice meal logging	One-tap fasting timer Meal logging by photo or text description
Closed-source service with data stored by the company Carries advertising	Mobile only, no web version Less detailed nutrient tracking than full calorie counters
Downloadable app, Web application	Downloadable app
Closed source	Closed source
License not stated	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 September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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