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Soulver vs Converter NOW: catalog facts
Soulver	Converter NOW
Paid $59 one-time purchase after a 60-day free trial, also included in Setapp.	Free Free and open source under the GPL-3.0 licence.
macOS, iOS	Windows, Linux, Android, Web
Natural-language calculations with dates, currencies and units Variables and line references keep scenarios editable	Covers both physical units and currencies Same app on Linux, Windows, Android and the web
Apple platforms only One-time price is high for a calculator	No dedicated homepage beyond the GitHub repository Scope is limited to conversions
Downloadable app	Downloadable app, Web application
Closed source	Open source
License not stated	License: GPL-3.0-or-later
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.