Compare software

Zen vs personalDNSfilter: catalog facts
Zen	personalDNSfilter
Free Free and open source.	Free Free to download.
Windows, macOS, Linux	Windows, macOS, Linux, Android
Covers all browsers and apps with one install Blocks trackers as well as ads	Works on Android with or without the VPN slot Supports DNS over HTTPS and DNS over TLS
Network-level filtering may need troubleshooting with some apps Not available for mobile devices	Desktop use needs Java Filters by domain only, not page content
Downloadable app	Downloadable app
Open source	Open source
License not stated	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 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.