Side by side

CIRA DNS Firewall vs Securly Filter

Both stand on dns filtering services. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

CIRA DNS Firewall

Paid AndroidiPhoneMac+2

Visit CIRA DNS Firewall

Securly Filter combines school web controls, reporting, AI policy options, and several deployment paths. Schools should match their chosen method to required off-campus, browser, iPad, and BYOD coverage.

Visit Securly Filter

The facts

	CIRA DNS Firewall	Securly Filter
Free plan	No	Not published
Open source	Not published	Not published
Runs on	Android, iPhone, Mac, Web, Windows	Android, Extension, iPhone, Mac, Web, Windows
Lowest paid plan	Not published	Free or on request
Plans published	None	1
Maker	Not published	Not published
Website	cira.ca	securly.com
On dns filtering services	#44 of 60	#40 of 60

CIRA DNS Firewall: what it does well

Securly Filter: what it does well

Custom blocklists and safe-search controls
AI conversation policies with prompt insights
Proxy detection examines page structure and images
SmartPAC filters iPads without agents
Family controls included free with Filter

What to know first

Pricing requires contacting Securly
Off-campus filtering excludes SmartDNS and GuestDNS
Deployment methods have different feature availability
SmartDNS and SmartPAC cannot use bypass-capable VPN browsers

Alternatives to CIRA DNS Firewall Alternatives to Securly Filter The whole list