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Ghostery vs AdBlock: catalog facts
Ghostery	AdBlock
Freemium The blocker is free and open source. Ghostery's contributor plan and extra services are…	Freemium Free extension; AdBlock Premium adds paid features such as cookie banner blocking.
Browser extension	Browser extension
Names the trackers on each page and who owns them Blocks cookie consent dialogs as well as ads and trackers	Blocks pop-ups, banners and video ads Blocks third-party trackers
The company's earlier advertising-related business model still makes some people wary Extra features such as private search need an account or subscription	Allows Acceptable Ads by default Cookie banner blocking requires the paid Premium tier
Browser extension	Browser extension
Open source	Closed source
License: MPL-2.0	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 22, 2026	Official website Full listing and sources Checked September 23, 2026

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