Clerk
An authentication and user management platform
Duo Security
Reduce security & compliance risk
FactScore™ 0Updated February 2026
| Clerk | Duo Security | |
|---|---|---|
| Rating | 5.0★ | N/A |
| Reviews | 76 | 0 |
| Pros | 19 | 0 |
| FactScore™ | 94.3 | 0 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Clerk — Pros
Easy integration Comprehensive solution Free tier Fast setup Flexible auth Prebuilt UI components Developer APIs Secure login flows Beautiful components Generous free tier OAuth support Admin dashboard B2B use cases Customer support Excellent documentation Next.js integration Seamless integration Social logins Web 3.0 integrationBoth tools — Pros
—Only in Duo Security — Pros
No unique pros listedOnly in Clerk — Cons
Native-app hiccupsBoth tools — Cons
—Only in Duo Security — Cons
—Details
| Clerk | Duo Security | |
|---|---|---|
| Categories | Authentication & identity tools | Authentication & identity tools, Security software |
| Platforms | Web | Web · iOS · Android |
| Became Popular | April 22, 2021 | June 11, 2015 |
| Website | go.clerk.com | duo.com |
Who Should Pick Which?
Choose Clerk if...
- Easy integration
- Comprehensive solution
- Free tier
Choose Duo Security if...
- No unique pros listed
With a FactScore™ of 94.3 vs 0, Clerk leads in community reception. Clerk uniquely offers Easy integration and Comprehensive solution, while Duo Security stands out for No unique pros listed.
What Users Say
Clerk
We initially began building user management in-house but quickly realized that creating a secure and seamless user experience involved more complexity than anticipated. It was clear that continuing...
Clerk makes authentication effortless, with a developer-friendly API and prebuilt UI components that save time. Unlike Auth0 or Firebase Auth, Clerk provides first-class support for modern framewor...
We needed production-ready authentication without slowing the team down. Clerk let us ship securely from day one and stay focused on core product work. Setup was fast, UX is polished out of the box...
Duo Security
No reviews yet
Related Comparisons
Frequently Asked Questions
Which is better, Clerk or Duo Security?
Based on FactScore™, Clerk leads with a score of 94.3 vs 0. Clerk has a higher rating of 5.0★ compared to N/A★.
What are the pros of Clerk compared to Duo Security?
Clerk uniquely offers: Easy integration, Comprehensive solution, Free tier, Fast setup, Flexible auth.
What are the pros of Duo Security compared to Clerk?
Duo Security uniquely offers: No unique pros listed.
Is Clerk better rated than Duo Security?
Clerk is rated 5.0★ from 76 reviews. Duo Security is rated N/A★ from 0 reviews.
What is the FactScore™ of Clerk and Duo Security?
FactScore™ weighs rating and review volume together. Clerk scores 94.3 and Duo Security scores 0.
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