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Wolfram|Alpha vs Numbat: catalog facts
Wolfram\|Alpha	Numbat
Freemium Free to query in the browser, with a paid tier for extra features.	Free The open-source application is available without a license fee.
Web	Windows, macOS, Linux
Accepts plain-language questions and math notation Step-by-step math solutions	Unit-aware calculations with dimension checking
Some features are reserved for paid users Requires an internet connection	Requires learning its expression and language syntax.
Web application	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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