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Clerk vs Auth0
A detailed comparison to help you choose between Clerk and Auth0.
Last reviewed:
| Feature | Clerk | Auth0 |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Free Tier | Yes | Yes |
| Monthly Cost (Solo) | $0 | $0 |
| Target Audience | solopreneurs, developers, startups | developers, enterprise |
| Verified | Yes | No |
| Solo-Friendly | Yes | Yes |
| Open Source | No | Yes |
| Editorial Rating | 4.4/5 | 4.3/5 |
| Categories | Developer Tools, Security | Developer Tools, Security |
| Key Features | Pre-built UI components, Social login, MFA, Organization management, Webhooks | Universal Login page, Social and enterprise connections, Multi-factor authentication, Role-based access control, Passwordless login |
| Free Tier Quality | excellent | excellent |
Pricing Breakdown
Clerk
Free: 10,000 MAUs. Pro: $25/month + $0.02/MAU beyond 10K. Enterprise: custom (SSO, SCIM, SLA).
Auth0
Free: 25,000 MAUs, 2 social connections. Essential: $23/month (500 MAUs). Professional: $240/month (500 MAUs). Enterprise: custom.
Integration Overlap
Shared Integrations (2)
Next.jsReact
Only in Clerk (8)
RemixGatsbyExpressFastifySupabaseConvexNeonStripe
Only in Auth0 (8)
AngularVue.jsNode.jsPythonRubyJava.NETAWS
Use Case Fit
Overlapping Use Cases (1)
Multi-factor authentication
Clerk
- * Drop-in authentication UI components
- * User management and profiles
- * Social login (Google, GitHub, etc.)
- * Organization and team management
Auth0
- * Application authentication and login
- * Social login integration
- * Enterprise SSO (SAML, LDAP)
- * Role-based access control
Clerk
Pros
- + Beautiful pre-built components
- + Free for 10K MAUs
- + Excellent developer experience
- + Fast integration (minutes, not hours)
Cons
- - Vendor lock-in for auth
- - Pricing scales with MAUs
- - Less flexible than Auth0 for custom flows
Auth0
Pros
- + 25,000 MAU free tier
- + Supports every auth method imaginable
- + Excellent documentation and SDKs
- + Enterprise-grade security
Cons
- - Complex configuration for simple needs
- - Pricing jumps significantly after free tier
- - Acquired by Okta — product direction uncertain
- - Can be overkill for simple apps
Editorial Verdict
Both tools are evenly matched on price. Clerk excels at drop-in authentication ui components, while Auth0 is stronger for application authentication and login.
SaaSLens Editorial Team
Editorial Team