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OpenNutriTracker vs wger: catalog facts
OpenNutriTracker	wger
Free Free and open source.	Free Free and open source.
Android, iOS	Android, iOS, Web, Self-hosted
Open source calorie tracking Privacy-focused design	Can be self-hosted Combines workout planning with nutrition tracking
Fewer features than large commercial food trackers Smaller food database than commercial services	Self-hosting requires running and maintaining a server
Downloadable app	Downloadable app, Web application, Self-hosted
Open 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.