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Carb Manager vs Lifesum: catalog facts
Carb Manager	Lifesum
Freemium Free account available, with paid features on top.	Freemium Free to use, with paid features available.
Android, iOS, Web	Android, iOS, Web
Focused on keto and low-carb tracking Over 50,000 low-carb recipes	Structured diet plans including keto and Mediterranean Available on mobile and the web
Less suited to diets that are not low-carb Closed-source service	Some plans and features require payment
Downloadable app, Web application	Downloadable app, Web application
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.