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Adblock Plus vs AdGuard Content Blocker: catalog facts
Adblock Plus	AdGuard Content Blocker
Free Free and open source under GPLv3 or later.	Free Free and open source under the GPL-3.0 license.
iOS, Browser extension	Android
Available for all major desktop browsers Customizable filter lists	No root required More than 20 language-specific filter lists
The homepage leans on marketing claims rather than technical detail Separate apps are needed for mobile browsers	Only works in Samsung Internet and Yandex Browser Does not block ads in other apps
Downloadable app, Browser extension	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0
No account 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 October 2, 2026

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