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Clerk vs Auth0

A detailed comparison to help you choose between Clerk and Auth0.

Last reviewed:
C
Clerk

Drop-in authentication and user management for developers.

A
Auth0

Identity platform for authentication and user management

FeatureClerkAuth0
Pricing ModelFreemiumFreemium
Free TierYesYes
Monthly Cost (Solo)$0$0
Target Audiencesolopreneurs, developers, startupsdevelopers, enterprise
VerifiedYesNo
Solo-FriendlyYesYes
Open SourceNoYes
Editorial Rating4.4/54.3/5
CategoriesDeveloper Tools, SecurityDeveloper Tools, Security
Key FeaturesPre-built UI components, Social login, MFA, Organization management, WebhooksUniversal 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