P
PAdGuard vs Quad9
Pricing, features, platforms and who each one suits — side by side.
A
Choose AdGuard if…
- you're in its core audience: privacy-conscious individuals, families
Q
Choose Quad9 if…
- you're in its core audience: home users, privacy-conscious individuals
Side by side
Feature AdGuard Quad9
Per device per month$0.83—
PlatformsWindows, macOS, Linux, Android, iOS, Chrome, Self-hostedWindows, macOS, Linux, iOS, Android
CategoryAd & tracker blockersSmart DNS & DNS privacy
CompanyAdGuardQuad9 Foundation · since 2017
Full feature lists
A AdGuard
- System-wide ad and tracker blocking in browsers and apps
- Phishing and malicious site protection
- Parental control against adult content
- Android ad blocking without root access
- DNS-level filtering on iOS
- Router-level blocking with AdGuard Home
- Command-line Linux ad blocker with custom filters
- Browser extensions for Chrome, Firefox, Safari, Edge, Opera
Q Quad9
- Blocks malware, phishing, spyware and botnet domains at DNS level
- Threat data from 25+ intelligence providers
- 230+ resolver clusters in over 110 countries
- IPv4 and IPv6 resolver addresses
- Encrypted DNS connections where supported
- No logging of user IP addresses
- Public lookup tool for blocked domains
- Router-level setup covers IoT devices
Their home pages
What each vendor shows first: the pitch, the plans and the sign-up.
AdGuard · adguard.com
Quad9 · quad9.netWhat you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
AdGuard
Per device per month: $0.83
Quad9
Public DNSFree
Strengths and limitations
AdGuard
- Apps for Windows, Mac, Android, Android TV, iOS and Linux
- Android app works without root access
- 14-day trial on the desktop and Android apps
- Free browser extensions for six browsers
- The full Android app is installed via APK rather than Google Play
- The Linux version is command-line only
Quad9
- Completely free with no account or sign-up
- Does not log data containing user IP addresses
- Run by a Swiss non-profit and designed for GDPR compliance
- Large global network with 230+ resolver clusters
- Blocks threats only, with no custom filtering or user dashboard
- Depends on donations and sponsorships for funding
More comparisons
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PP
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Cloud DNS firewall that blocks threats, ads, trackers and adult content
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AA
Freemium
A
Ad-blocking DNS that filters ads, trackers and adult content on all devices
Smart DNS & DNS privacyFree planOpen source
C
CC
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Encrypted DNS filtering for businesses, MSPs and schools on every OS
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PSwiss no-logs VPN with a free plan, 20,000+ servers and built-in ad blocking
Free, from $3.49/mo
P
Free, from $3.49/mo
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Swiss no-logs VPN with a free plan, 20,000+ servers and built-in ad blocking
VPNFree planOpen source
N
N
From $2.99/mo
Facts from each vendor's public pages, prices checked Nov 8, 2026. Editorial policy