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Supernotes vs Kinopio: catalog facts
Supernotes	Kinopio
Freemium Free to start, with paid plans for more features.	Freemium Free for up to 100 cards; more cards require a paid plan.
iOS, Web	Web, Browser extension
Notecard format with Markdown and LaTeX Linked cards with a 2D or 3D graph view	No sign-up needed to start Bulk selection and editing of many cards at once
Requires an account and cloud service Some features, including AI, need a paid plan	Free tier limited to 100 cards Freeform canvas suits visual thinkers more than long-form writing
Downloadable app, Web application, Hosted service	Web application, Browser extension
Closed source	Closed source
License not stated	License not stated
Account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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