Better Auth free tier and limits
An open-source TypeScript authentication framework that runs inside your own app and database. Plugins add 2FA, passkeys, magic links, organizations, SSO and more.
What the free plan gives you
- Open-source library: no per-user fees when self-hosted
- Works with Next.js, Nuxt, SvelteKit, Astro, Hono and more
- Bring your own database
Best for
Developers who want to own their user data with no per-MAU bill.
Watch out
You run it yourself: database, email delivery and security updates are your job. The optional hosted dashboard and security add-ons are paid.
Other auth options
Clerk
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.
Free Hobby: free, no credit card required
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