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AdGuard Browser Extension vs AdBlock: catalog facts
AdGuard Browser Extension	AdBlock
Free The browser extension is free to install.	Freemium Free extension; AdBlock Premium adds paid features such as cookie banner blocking.
Browser extension	Browser extension
Blocks ads, pop-ups and trackers Cosmetic filtering hides leftover page elements	Blocks pop-ups, banners and video ads Blocks third-party trackers
Only filters inside the browser, not other apps System-wide filtering requires AdGuard's separate apps	Allows Acceptable Ads by default Cookie banner blocking requires the paid Premium tier
Browser extension	Browser extension
Open source	Closed source
License: GPL-3.0	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 September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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