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Security

Cloudflare vs Duo Security: Pricing Comparison 2026

Side-by-side pricing comparison of Cloudflare and Duo Security. See all plans, features, and costs at a glance.

Bottom line: Duo Security starts at $3/mo, making it $17/mo cheaper than Cloudflare ($20/mo). Cloudflare offers a free plan.

Last updated: July 6, 2026

Data compiled by Arthur Jacquemin
Updated July 6, 2026
Try Cloudflare freeTry Duo Security freePrice updated 11d agoPrice updated 11d ago
Best Value

Duo Security - Duo Security offers a free plan, starts at $17/mo lower ($3/mo vs $20/mo).

Cloudflare vs Duo Security: Quick Pricing Facts

FeatureCloudflareDuo Security
Starting Price$20/mo$3/mo
Number of Plans54
Free TierYesYes
Pricing Modelfreemiumper-seat
Annual DiscountN/AN/A

Duo Security is the more affordable option, starting at $3/mo compared to Cloudflare's $20/mo. Both are Security tools with 9 combined pricing plans and 18 features compared.

Both tools offer free plans, making them accessible for teams on a budget. Cloudflare uses freemium pricing while Duo Security uses per-seat pricing, which may affect your total cost at scale.

Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Security needs.

Pricing Plans
Cloudflare
Cloudflare
Try free
Duo Security
Duo Security
Try free
Tier 1
Free
$0/monthCheapest
Start with Free
Duo FreePopular
$0/monthCheapest
Includes
  • Add up to 10 users
  • Strong MFA
  • Seamless integrations
  • Free authenticator app
Start with Duo Free
Tier 2
Pro
$20/month
Start with Pro
Duo EssentialsPopular
$3/monthCheapest
Includes
  • Duo Directory
  • Phishing-resistant MFA
  • Complete passwordless authentication
  • Single sign-on
  • Trusted Endpoints
  • Unlimited applications
Start with Duo Essentials
Tier 3
Business
$200/month
Start with Business
Duo AdvantagePopular
$6/monthCheapest
Includes
  • Cisco Identity Intelligence (Cross-identity visibility, ISPM, and ITDR)
  • Duo Passport
  • Session theft protection
  • Active Directory Defense
  • Risk-Based Authentication
Start with Duo Advantage
Tier 4
Contract
Custom pricing
Start with Contract
Duo PremierPopular
$9/monthCheapest
Includes
  • A comprehensive package for complete Zero Trust access
  • VPN-less remote access to private resources
  • Complete device trust with endpoint protection check
Start with Duo Premier
Tier 5
Pay-as-you-go
$50/monthCheapest
Start with Pay-as-you-go
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Cloudflare

Web security, DDoS protection, and WAF platform

View all Cloudflare plans

Duo Security

Multi-factor authentication and secure access by Cisco

View all Duo Security plans

Frequently Asked Questions: Cloudflare vs Duo Security

Which is cheaper, Cloudflare or Duo Security?
As of July 2026, Duo Security starts at a lower price point. Cloudflare starts at $20/mo while Duo Security starts at $3/mo. However, the best value depends on the features you need at each tier.
How many pricing plans does Cloudflare have vs Duo Security?
Cloudflare offers 5 pricing plans, while Duo Security offers 4 plans. More plans typically means more flexibility to match your exact needs and budget.
Does Cloudflare or Duo Security offer a free plan?
Yes, both Cloudflare and Duo Security offer free plans. Compare the feature limits of each free tier to see which better fits your use case before upgrading.
What is the most popular Duo Security plan?
The Duo Free plan is Duo Security's most popular tier, priced at Free. Key features include Add up to 10 users, Strong MFA, Seamless integrations.
Does Cloudflare or Duo Security offer custom enterprise pricing?
Cloudflare offers a custom-priced enterprise tier for larger teams. Duo Security lists all its pricing publicly.
What pricing models do Cloudflare and Duo Security use?
Cloudflare uses a freemium pricing model, while Duo Security uses per-seat pricing. The right model depends on your team size and usage patterns.
How do Cloudflare and Duo Security compare for Security?
Both Cloudflare and Duo Security are Security tools. Cloudflare offers 5 plans starting at $20/mo, while Duo Security offers 4 plans starting at $3/mo. Review the feature breakdowns above to see which better fits your Security needs.
AI Recommendations

Sources

  1. Cloudflare Official Pricing- Vendor pricing page
  2. Duo Security Official Pricing- Vendor pricing page

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