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Acutis Firewall vs personalDNSfilter: catalog facts
Acutis Firewall	personalDNSfilter
Free Free and open source, listed on F-Droid under the MIT licence.	Free Free to download.
Android	Windows, macOS, Linux, Android
Filtering runs locally on the device Blocks adult, malware and dangerous domains	Works on Android with or without the VPN slot Supports DNS over HTTPS and DNS over TLS
Small, young project Uses the Android VPN slot, so it cannot run alongside another VPN	Desktop use needs Java Filters by domain only, not page content
Downloadable app	Downloadable app
Open source	Open source
License: MIT	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 2, 2026	Official website Full listing and sources Checked September 23, 2026

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