Cloudflare Zero Trust vs Duo Security
Side-by-side comparison for 2026

Cloudflare Zero Trust
Zero-trust network access and security
7.6/10
$20/user/moFree trialfreemium
Try Cloudflare Zero Trust βVS

Duo Security
Multi-factor authentication and access security
8.4/10
FreeFree planfreemium
Try Duo Security βOur Verdict
π Duo Security wins on overall editorial score (8.4/10)
Duo Security scored higher across our editorial dimensions. That said, the best tool depends on your specific use case β check the breakdown below.
Editorial Scores
Pricing
Cloudflare Zero Trust
$20/user/moFree trialfreemium
Duo Security
FreeFree planfreemium
Pros
β Cloudflare Zero Trust
- βModern zero-trust architecture
- βVPN replacement
- βAdvanced threat detection
β Duo Security
- βFree tier available
- βExcellent user experience
- βStrong fraud detection
Cons
β Cloudflare Zero Trust
- Steeper learning curve
- Requires network expertise
β Duo Security
- Premium features require upgrades
- Mobile app-dependent for some features