Clerk

Recommended

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

6 reviews

Free tierHas API

In a nutshell

Clerk provides the fastest path to authentication for React developers. The pre-built components are beautiful and customizable. Very popular in the Next.js ecosystem.

What's great

Fastest auth setup for React
Beautiful pre-built components
Good free tier

Watch out for

React/Next.js focused
Vendor lock-in for auth
Per-MAU pricing scales

Best for

React and Next.js developers who want authentication with the least possible setup

Not ideal for

Developers on non-JavaScript frameworks or needing custom auth flows

Pricing

Starter

$25/mo

View official pricing →

How it compares

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Run AI models at the edge with serverless inference on Cloudflare

See full comparison →

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