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Adblock Browser vs Firefox: catalog facts
Adblock Browser	Firefox
Free Free on Google Play.	Free Free software from a non-profit-owned foundation. Mozilla sells separate subscription…
Android	Windows, macOS, Linux, Android, iOS
Ad blocking built in with no setup Blocks trackers and cookie pop-ups	Total Cookie Protection stops cookies following you between sites An engine that is not Chromium, which matters for the health of the web
Android only Says it supports content creators, so blocking is aimed at intrusive ads rather than all ads	A small number of sites are still built and tested only against Chromium Mozilla’s revenue comes largely from a search deal, which shapes some defaults
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 20, 2026

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