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AdLock vs Zen: catalog facts
AdLock	Zen
Paid The AdLock apps are sold as a paid purchase.	Free Free and open source.
macOS, Browser extension	Windows, macOS, Linux
Filters ads in apps as well as browsers No acceptable ads whitelist	Covers all browsers and apps with one install Blocks trackers as well as ads
Paid, closed-source software HTTPS filtering means trusting the app with your traffic	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 October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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