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Zen vs AdGuard Ad Blocker: catalog facts
Zen	AdGuard Ad Blocker
Free Free and open source.	Freemium The iOS app has a free edition and a paid Pro edition; prices for other apps are not…
Windows, macOS, Linux	Windows, macOS, Android, iOS, Browser extension
Covers all browsers and apps with one install Blocks trackers as well as ads	Filters ads and trackers in apps as well as browsers Android app works without root access
Network-level filtering may need troubleshooting with some apps Not available for mobile devices	Features differ between the platform versions Licensing details are not stated on the overview page
Downloadable app	Downloadable app, Browser extension
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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