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Yazio vs OpenNutriTracker: catalog facts
Yazio	OpenNutriTracker
Freemium Free to use, with a paid subscription for additional features.	Free Free and open source.
Android, iOS, Web	Android, iOS
Food logging by photo, barcode or manual entry Built-in fasting timers with 16:8, 5:2 and 6:1 plans	Open source calorie tracking Privacy-focused design
Closed-source service AI photo estimates may need manual correction	Fewer features than large commercial food trackers Smaller food database than commercial services
Downloadable app, Web application	Downloadable app
Closed source	Open 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.