Auth0
Secure access for everyone. But not just anyone.
Clerk
An authentication and user management platform
Updated February 2026
| Auth0 | Clerk | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 13 | 76 |
| Pros | 16 | 19 |
| FactScore™ | 57.3 | 94.3 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Auth0 — Pros
Ease of use Quick onboarding Secure access Personalization Fair pricing for startups Feature-rich product Federated identity management Flexible SSO SAML tooling Granular access control High performance Multifactor authentication Scalable Universal login Uptime reliabilityBoth tools — Pros
Easy integration Excellent documentationOnly in Clerk — Pros
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 Next.js integration Seamless integration Social logins Web 3.0 integrationOnly in Auth0 — Cons
—Both tools — Cons
—Only in Clerk — Cons
Native-app hiccupsDetails
| Auth0 | Clerk | |
|---|---|---|
| Categories | Authentication & identity tools | Authentication & identity tools |
| Platforms | Web | Web |
| Became Popular | September 17, 2014 | April 22, 2021 |
| Website | auth0.com | go.clerk.com |
Who Should Pick Which?
Choose Auth0 if...
- Ease of use
- Quick onboarding
- Secure access
Choose Clerk if...
- Comprehensive solution
- Free tier
- Fast setup
With a FactScore™ of 57.3 vs 94.3, Clerk leads in community reception. Auth0 uniquely offers Ease of use and Quick onboarding, while Clerk stands out for Comprehensive solution and Free tier.
What Users Say
Auth0
Auth0 makes authentication effortless and enterprise-grade at the same time. For Waydev AI, it handles thousands of users and complex role-based access without adding friction to our development fl...
We selected Auth0 as our first IdP partner to release core functionality for our 'Use Ours or BYO Authentication provider' functionality. Thank you Auth0 for building a feature-rich product.
A huge thanks to Auth0 for helping us out with the authentication flow. They were really quick with the onboarding process and even with the support tickets.
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...
Related Comparisons
Frequently Asked Questions
Which is better, Auth0 or Clerk?
Based on FactScore™, Clerk leads with a score of 94.3 vs 57.3. Clerk has a higher rating of 5.0★ compared to 5.0★.
What are the pros of Auth0 compared to Clerk?
Auth0 uniquely offers: Ease of use, Quick onboarding, Secure access, Personalization, Fair pricing for startups.
What are the pros of Clerk compared to Auth0?
Clerk uniquely offers: Comprehensive solution, Free tier, Fast setup, Flexible auth, Prebuilt UI components.
Is Auth0 better rated than Clerk?
Auth0 is rated 5.0★ from 13 reviews. Clerk is rated 5.0★ from 76 reviews.
What is the FactScore™ of Auth0 and Clerk?
FactScore™ weighs rating and review volume together. Auth0 scores 57.3 and Clerk scores 94.3.
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