Clerk free tier and limits
Drop-in authentication and user management with prebuilt sign-in, sign-up and profile UI components. Bills on monthly retained users instead of raw sign-ups.
What the free plan gives you
- Hobby: free, no credit card required
- 50,000 monthly retained users per app
- Up to 3 social connections, email codes, magic links, passwords
- Custom domain, basic bot and brute-force protection
Best for
Next.js / React apps that want polished auth UI in minutes.
Watch out
On Hobby, MFA, passkeys and removing the "Secured by Clerk" branding are not included, and session lifetime is fixed at 7 days.
Other auth options
Auth0
Okta's hosted identity platform: universal login, social and passwordless sign-in, organizations and enterprise connections.
Free Free plan: up to 25,000 monthly active users, no credit card to sign up
Supabase Auth
The auth service built into every Supabase project: email/password, magic links, OAuth providers and anonymous sign-ins, tied directly to Row Level Security.
Free 50,000 monthly active users on the Free plan
Better Auth
An open-source TypeScript authentication framework that runs inside your own app and database. Plugins add 2FA, passkeys, magic links, organizations, SSO and more.
Free Open-source library: no per-user fees when self-hosted