ClerkvsFirebase Auth

Side-by-side API comparison

Drop-in authentication and user management with pre-built UI components for React and Next.js.

Google-backed auth service with email/password, phone, and social provider sign-in out of the box.

Performance

ClerkFirebase Auth

30-Day Uptime99.90%99.99%

Avg Latency48ms35ms

GitHub Stars4.2k4.8k

ClerkFirebase Auth

Auth TypeJWTJWT

Pricing Modelfreemiumfreemium

OpenAPI Spec

CategoryAuthenticationAuthentication

ClerkFirebase Auth

Languages

javascriptpythongoruby

javascriptpythonjavagoswiftkotlindotnet

ClerkFirebase Auth

Free

10,000 MAU req/mo

Pro

$25/mo

10,000 MAU + $0.02/MAU req/mo

Enterprise

Custom

Unlimited req/mo