Compare software

personalDNSfilter vs Zen: catalog facts
personalDNSfilter	Zen
Free Free to download.	Free Free and open source.
Windows, macOS, Linux, Android	Windows, macOS, Linux
Works on Android with or without the VPN slot Supports DNS over HTTPS and DNS over TLS	Covers all browsers and apps with one install Blocks trackers as well as ads
Desktop use needs Java Filters by domain only, not page content	Network-level filtering may need troubleshooting with some apps Not available for mobile devices
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account 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.