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Numi vs Soulver: catalog facts
Numi	Soulver
Freemium Free to download, with a paid license offered on the website.	Paid $59 one-time purchase after a 60-day free trial, also included in Setapp.
Windows, macOS, Linux, Command line	macOS, iOS
Write calculations as natural text with variables Built-in currency, unit and time zone conversion	Natural-language calculations with dates, currencies and units Variables and line references keep scenarios editable
Licensing terms are set by an end user license agreement rather than an open license Not a scientific or graphing calculator	Apple platforms only One-time price is high for a calculator
Downloadable app	Downloadable app
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 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.