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SigmaOS vs Pola Browser: catalog facts
SigmaOS	Pola Browser
Freemium A free tier is available. Heavier use moves to a paid subscription.	Free Distributed through the Mac App Store; pricing is not stated on the homepage.
macOS	macOS
Tabs live in named workspaces with separate logins, and each one can be marked done or locked, which…	Tab folders, spaces and profiles for separating projects Visual, searchable tree of browsing history
It is closed source, macOS-only, and the free tier is limited enough that regular use pushes you to…	Mac only Only a handful of extensions are supported so far
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 22, 2026	Official website Full listing and sources Checked October 2, 2026

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