User Reviews of Quad9 & Zscaler Internet Access

Updated April 2025

Would you like to learn about products from people using them now? Simplify your research with trusted advice from people like you.

Download our FREE report comparing Quad9 and Zscaler Internet Access based on reviews, features, and more!

Where should we email your report?






Verify your phone number
Didn't receive your code? Resend

Since 2012, we've had 850,834 professionals use our research.

As seen in