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AdGuard Home vs Adblock Fast: catalog facts
AdGuard Home	Adblock Fast
Free Free and open source under the GPL 3.0. AdGuard also sells a hosted AdGuard DNS service…	Free Free and open source.
Windows, macOS, Linux, Web, Self-hosted	Self-hosted
Acts as a DNS-over-HTTPS, DNS-over-TLS and DNS-over-QUIC server itself One binary with a web interface, so installation is straightforward	Very low memory use on small routers Works with several DNS resolvers
Run by a company that also sells blocking products, so the free tier is marketing Over-blocking breaks sites, as with any DNS blocker	Requires a router running OpenWrt Small project with a limited user base
Self-hosted	Self-hosted
Open source	Open source
License: GPL-3.0	License: AGPL-3.0
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

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