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

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