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NextDNS vs Quad9: catalog facts
NextDNS	Quad9
Freemium A free tier with a monthly query allowance is available. Paid plans remove the limit.	Free The public resolvers are free to use.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux, Android, iOS
Very granular blocklists and per-device profiles with detailed analytics Encrypted DNS support on every platform, including router-level setup	Malicious domain blocking with no configuration and no account Non-profit, Swiss-based, with a published no-client-IP-logging policy
Filtering happens on their infrastructure, so they resolve your queries The free tier is limited to a monthly query allowance	Blocking is security-focused only; it does not block advertising No per-device customisation on the free public resolvers
Hosted service	Hosted service
Closed source	Closed 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 September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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