Compare software

Numbat vs AlexCalc: catalog facts
Numbat	AlexCalc
Free The open-source application is available without a license fee.	Free Free to use; the source is published under the AGPL-3.0.
Windows, macOS, Linux	Android, iOS, Web
Unit-aware calculations with dimension checking	Formatted LaTeX display makes long equations easy to verify Handles units, variables and complex numbers
Requires learning its expression and language syntax.	The on-screen layout is dense for a first-time user Formal releases are not published on GitHub
Downloadable app	Downloadable app, Web application
Open source	Open source
License not stated	License: AGPL-3.0-only
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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