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Heptabase vs Milanote: catalog facts
Heptabase	Milanote
Paid Paid subscription, no permanent free tier mentioned.	Freemium Pricing is not stated on the homepage; check the site for plans.
Windows, macOS, Web	Web, Browser extension
Whiteboard and card format suits visual thinkers and complex research Cross-platform availability across desktop and web	Free-form visual boards for mixed content Sharing with edit, comment and view access
Paid subscription required to use Visual, card-based workflow takes longer to set up than plain text notes	Hosted service, so boards live on the vendor's servers Closed source
Downloadable app, Web application	Downloadable app, Web application, Browser extension
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 September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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