Control D
8.1#4 in internet filtering softwareFrom $2 a monthAndroidiOSWebAPI
VisitControl D vs Quad9
What both publish
| Fact | Control D | Quad9 |
|---|---|---|
| Founded | 2021 | 2016 |
| Headquarters | Toronto, Canada | Zürich, Switzerland |
| Integrations | Documented integrations include Asus Merlin, DD-WRT, Firewalla, OpenWRT, pfSense, OPNsense, Ubiquiti, Synology, major operating systems, browsers, RMM tools and Tailscale. | Quad9 documentation includes guides for Cloudflared, Pi-hole, and open-source routers including pfSense, OPNsense, OpenWrt, MikroTik RouterOS, and IPFire. |
| Support | The pricing comparison lists email and community support, an AI assistant, and live engineer sessions for some plans. | Quad9 support assists with setup questions and issues through its support team. |
Control D plans
- SMB$2 a month
- EnterprisePriced on request
- MSP / ChannelPriced on request
- School / Non-profitPriced on request
Quad9 plans
- Quad9 DNS serviceFree
Pick Control D if…
It suits individuals, IT administrators, SMBs, and enterprises seeking configurable DNS security and internet controls. The range of integrations and API access may also suit teams managing multiple systems.
Pick Quad9 if…
Quad9 may suit home users and enterprises seeking DNS-based blocking of malicious domains. It is also aimed at users who want encrypted DNS options across the listed platforms.