Clerk Has a Free Tier — Drop-In Authentication With 10K Monthly Active Users and Pre-Built UI

Auth0 is powerful but building the login UI is still on you. Clerk gives you the entire authentication experience — pre-built sign-in/sign-up components, user management dashboard, and multi-factor auth — with zero UI work. 10,000 monthly active users on the free plan. No credit card. What You Get for Free 10,000 monthly active users — enough for early-stage startups Pre-built UI components — sign-in, sign-up, user profile, org switcher Social login — Google, GitHub, Facebook, Apple, Microsoft Passwordless — magic links, email OTP, SMS OTP Multi-factor auth — TOTP, SMS, backup codes Organizations — multi-tenancy with roles and permissions Session management — automatic token rotation Webhooks — user created, updated, deleted events User management dashboard — admin panel included Quick Start (Under 5 Minutes) 1. Install npm install @clerk/nextjs 2. Add to Next.js // middleware.ts import { clerkMiddleware } from " @clerk/nextjs/server " ; export default clerkMiddleware (); // layout.tsx