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Pola Browser vs Nook: catalog facts
Pola Browser	Nook
Free Distributed through the Mac App Store; pricing is not stated on the homepage.	Free Free and open source, supported through Open Collective.
macOS	macOS
Tab folders, spaces and profiles for separating projects Visual, searchable tree of browsing history	Sidebar and spaces for organising tabs Runs both Chrome and Safari extensions
Mac only Only a handful of extensions are supported so far	macOS only Young project, recently reached version 1.0
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it 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 October 1, 2026

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