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AdGuard Browser Extension vs Adblock Plus: catalog facts
AdGuard Browser Extension	Adblock Plus
Free The browser extension is free to install.	Free Free and open source under GPLv3 or later.
Browser extension	iOS, Browser extension
Blocks ads, pop-ups and trackers Cosmetic filtering hides leftover page elements	Available for all major desktop browsers Customizable filter lists
Only filters inside the browser, not other apps System-wide filtering requires AdGuard's separate apps	The homepage leans on marketing claims rather than technical detail Separate apps are needed for mobile browsers
Browser extension	Downloadable app, Browser extension
Open source	Open source
License: GPL-3.0	License: GPL-3.0-or-later
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.