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uBlock Origin vs AdGuard Content Blocker: catalog facts
uBlock Origin	AdGuard Content Blocker
Free Free and open source; no donations sought	Free Free and open source under the GPL-3.0 license.
Browser extension	Android
Wide-spectrum blocking of ads, trackers, coin miners, popups and malware sites using EasyList, EasyPrivacy and other… Designed to be CPU and memory efficient	No root required More than 20 language-specific filter lists
Removed from the Chrome Web Store on 2026-08-31 with the Manifest V2 deprecation Microsoft Edge is transitioning consumers away from Manifest V2 extensions starting August 2026	Only works in Samsung Internet and Yandex Browser Does not block ads in other apps
Browser extension	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
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 20, 2026	Official website Full listing and sources Checked October 2, 2026

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