We performed a comparison between Quad9 and Zscaler Internet Access based on real PeerSpot user reviews.
Find out in this report how the two Internet Security solutions compare in terms of features, pricing, service and support, easy of deployment, and ROI."The most valuable feature of Quad9 is that it is a free solution."
"Setting up Quad9 is straightforward if you know what you're doing, and it's easy to use overall."
"The most valuable feature is the ability to drop packets."
"Whether you are in a hotel somewhere, or in Africa, it does not matter. You will get the Zscaler protection presence anywhere."
"The policies are very intuitive and easy to configure, with very little possibility of messing things up."
"The most valuable features I found in Zscaler Internet Access are the restriction of users for a particular URL, the security feature related to stopping DDoS, and the VPN."
"The security is excellent."
"We use ZIA for outbound internet connectivity. The internet traffic of on-prem users will be directed to the ZIA cloud for security checks and web filtering."
"The users are at different locations, and Zscaler helps us to put the organization's central security controls on these roaming users."
"Zscaler excels in security protection and the cloud is always up-to-date. It does not matter if you are a small or big organisation, you will receive the same security quality."
"It used to work fine for all the devices, but it started to slow and become non-responsive. I would have to reload the page two or three times before all the pages loaded. With OpenDNS, I only need to load the page once."
"Quad9 could improve by having more free features, such as custom DNS filtering."
"I would like to see more training and video documentation."
"In terms of user experience, it could be better."
"The solution is expensive. They recently revised the pricing and packaging. Some of our existing customers have been asking for alternate solutions for a lower price."
"Another thing that I would like to see is if Zscaler could have a separate product for direct access. I looked at a private access solution, but I understand there's a separate product that isn't integrated with this."
"Zscaler should provide adjacent services, which would be complementary to their current offering that could to be more pragmatic for a customer. For example, if you take Akamai, you get multiple sets of services, all depending on the customer and the strategy and the complexity and the problems. In some areas, they are more varied in terms of coverage."
"The tool should improve the predefined dictionaries."
"I would like to see the ability to choose a pool of IPs for my company, set up rules based on them, and know that those IPs are not used by other companies."
"What could be improved in Zscaler Internet Access is its price. It could be cheaper."
Quad9 is ranked 11th in Internet Security with 2 reviews while Zscaler Internet Access is ranked 2nd in Internet Security with 46 reviews. Quad9 is rated 6.0, while Zscaler Internet Access is rated 8.2. The top reviewer of Quad9 writes "It's easy to use and set up, but I've faced performance problems ". On the other hand, the top reviewer of Zscaler Internet Access writes "Provides integrated CASB and file sandboxing but could be less expensive ". Quad9 is most compared with Cloudflare DNS, Google Cloud DNS, Cisco Umbrella, Verisign Public DNS and Amazon Route 53, whereas Zscaler Internet Access is most compared with Cisco Umbrella, Microsoft Defender for Cloud Apps, Netskope , Prisma Access by Palo Alto Networks and FortiSASE . See our Quad9 vs. Zscaler Internet Access report.
See our list of best Internet Security vendors.
We monitor all Internet Security reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.