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DEVONthink vs Keep It: catalog facts
DEVONthink	Keep It
Paid Paid, sold in several editions.	Paid Paid app, with a download available from the developer's site.
macOS, iOS	macOS, iOS
Handles almost any document type in one database Automation with actions and triggers	Files and tags are visible in the Finder Handles notes, Markdown, PDFs, emails and web archives
Apple platforms only Paid, with a steep learning curve	Apple platforms only Paid
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 September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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