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Vivaldi vs Pola Browser: catalog facts
Vivaldi	Pola Browser
Free Free, funded by default search engine and bookmark placement deals.	Free Distributed through the Mac App Store; pricing is not stated on the homepage.
Windows, macOS, Linux, Android, iOS	macOS
Tab stacking, tiling and vertical tabs without a single extension Built-in mail, calendar and feed reader in a side panel	Tab folders, spaces and profiles for separating projects Visual, searchable tree of browsing history
Not open source; only the modified Chromium parts are published The sheer number of settings takes real time to work through	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
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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