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Uno Calculator vs Numi: catalog facts
Uno Calculator	Numi
Free Free to use; the underlying calculator code is under the Apache-2.0 licence.	Freemium Free to download, with a paid license offered on the website.
macOS, Linux, Android, iOS, Web	Windows, macOS, Linux, Command line
Familiar Windows Calculator layout on other systems Scientific and Programmer modes	Write calculations as natural text with variables Built-in currency, unit and time zone conversion
Initial load can be slow Built mainly as a framework showcase	Licensing terms are set by an end user license agreement rather than an open license Not a scientific or graphing calculator
Downloadable app, Web application	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
No account 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 October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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