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Keep It vs Notebooks: catalog facts
Keep It	Notebooks
Paid Paid app, with a download available from the developer's site.	Paid One-time purchase, no subscription required.
macOS, iOS	macOS, iOS
Files and tags are visible in the Finder Handles notes, Markdown, PDFs, emails and web archives	Notes, long documents and tasks in one app Exports to PDF and ebook
Apple platforms only Paid	Many features to learn for simple note-taking Only Mac and iOS versions are shown in the research
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.