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Curio vs Notion: catalog facts
Curio	Notion
Paid Paid app with a free two-week trial.	Freemium Free tier for individuals; paid plans add team features and higher limits.
macOS	Windows, macOS, Android, iOS, Web
Notes, files, mind maps, tasks and Kanban boards in one workspace Freeform canvas for placing material anywhere	Highly flexible structure covers notes, databases, and project boards in one app Real-time collaboration for team use
macOS only Paid after the trial period	Flexibility comes with a learning curve to set up well Can feel heavier and slower than single-purpose notes apps
Downloadable app	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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