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: Both Cloudflare and Duo Security offer free plans. Cloudflare has 4 pricing tiers while Duo Security has 4.
Last updated: March 16, 2026
Cloudflare vs Duo Security: Quick Pricing Facts
| Feature | Cloudflare | Duo Security |
|---|---|---|
| Starting Price | Custom pricing | $3/mo |
| Number of Plans | 4 | 4 |
| Free Tier | Yes | Yes |
| Pricing Model | freemium | per-seat |
| Annual Discount | N/A | N/A |
Cloudflare and Duo Security are both priced at Custom pricing, making them equally accessible Security tools. Together they offer 8 pricing plans with 18 features compared, so the best choice comes down to which features match your needs.
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 Try it free |  Duo Security Try it free |
|---|---|---|
| Tier 1 | Free $0/monthCheapest | Duo FreePopular $0/monthCheapest Includes
|
| Tier 2 | Pro Custom pricing | Duo EssentialsPopular $3/monthCheapest Includes
|
| Tier 3 | Business Custom pricing | Duo AdvantagePopular $6/monthCheapest Includes
|
| Tier 4 | Contract Custom pricing | Duo PremierPopular $9/monthCheapest Includes
|
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Duo Security
Duo Security offers a free plan.
Based on pricing data only. Review the full comparison below for your specific needs.
Best value: Duo Security
Try Duo Security freeWhich Should You Choose?
Choose Cloudflare if:
- •You prefer Cloudflare's free tier features—features
- •Your team needs custom enterprise pricing—Cloudflare offers negotiated terms for large deployments
- •You prioritize Cloudflare's user experience and interface over price (both tools are similarly priced)
Choose Duo Security if:
- •You prefer Duo Security's free tier features—Add up to 10 users, Strong MFA
- •You want more features built-in—Duo Security offers 18 additional features across its plans
- •You prioritize Duo Security's user experience and interface over price (both tools are similarly priced)
Both Cloudflare and Duo Security offer free plans [1], eliminating cost barriers for evaluation. This means you can test both tools thoroughly with your actual workflows before any financial commitment. The free tiers differ in scope: Cloudflare includes multiple features, while Duo Security includes 4 features. Evaluate which free tier matches your evaluation needs before deciding to upgrade. Your best approach is to activate both free trials and evaluate which tool's workflow, integrations, and user experience align better with your team's needs before committing to paid plans.
Frequently Asked Questions: Cloudflare vs Duo Security
How many pricing plans does Cloudflare have vs Duo Security?
Does Cloudflare or Duo Security offer a free plan?
What is the most popular Duo Security plan?
Does Cloudflare or Duo Security offer custom enterprise pricing?
What pricing models do Cloudflare and Duo Security use?
How do Cloudflare and Duo Security compare for Security?
Sources
- Cloudflare Official Pricing— Vendor pricing page
- Duo Security Official Pricing— Vendor pricing page
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