Use Clerk if
Solo developers and lean teams
Best default for most teams adding auth to a modern web app.
Auth Providers
Clerk is the stronger default. Auth0 is the sharper specialist choice.
Use Clerk if
Best default for most teams adding auth to a modern web app.
Use Auth0 if
Teams that need deep RBAC, enterprise SSO, MFA policies, and a mature identity platform with Okta backing.
Head to head
| Tool | Mfa | Sso | Hosted Ui | Sdk Quality | Social Login | Free Tier Mau | Pricing Clarity | Framework Coverage | Pick |
|---|---|---|---|---|---|---|---|---|---|
| Clerk | High | 10000 | High | High | Pick | ||||
| Auth0 | High | 25000 | Low | High |
Cost at scale
| Tool | Starter | Growth | Enterprise-ish |
|---|---|---|---|
| Clerk | $0 | $599 | $1,198 |
| Auth0 | $0 | $780 | $1,560 |
Clerk is the stronger default. Auth0 is the sharper specialist choice.
Auth0 is still credible when its constraints matter more than the default path.