Quad9 alternatives

4 tools that do a similar job to Quad9, compared on the things that usually decide the switch: price, free plan, API and platforms.

Replacing

Quad9 · Free

1N
NextDNS
Cloud DNS firewall that blocks threats, ads, trackers and adult content
Free · from $1.99/movs Quad9 Visit
2A
AdGuard DNS
Ad-blocking DNS that filters ads, trackers and adult content on all devices
Open source
Freemiumvs Quad9 Visit
3C
Control D
Encrypted DNS filtering for businesses, MSPs and schools on every OS
No free planHas an API
From $2/movs Quad9 Visit
4P
Pi-holeAd & tracker blockers
Self-hosted DNS sinkhole that blocks ads and trackers for your whole network
Open sourceHas an APISelf-hosted
Freevs Quad9 Visit

Side-by-side comparison

Tool	Price	Platforms
Q Quad9	Free	Windows, macOS, Linux, iOS
N NextDNS	Free · from $1.99/mo	Web	vs Quad9
A AdGuard DNS	Freemium	Web, Windows, macOS, Linux	vs Quad9
C Control D	From $2/mo	Web, Windows, macOS, Linux	vs Quad9
P Pi-hole	Free	Linux, Self-hosted, Web, API	vs Quad9