Clerk gives you gorgeous, pre-built login components and a user management dashboard — you can add authentication to your app in minutes. Supabase Auth comes free with every Supabase project and integrates tightly with your database and row-level security. If you want fast, beautiful auth, pick Clerk. If you are already using Supabase, its built-in auth is the natural choice.
Clerk is faster to set up with beautiful UI; Supabase Auth is free and pairs perfectly with Supabase.
Authentication Platform
A drop-in authentication platform with beautiful pre-built UI components. Add sign-up, sign-in, and user management to your app in minutes.
Ideal for: AI coders who want beautiful, working authentication in minutes without building login pages from scratch.
Part of Supabase
The authentication system built into Supabase. Supports email/password, magic links, social logins, and phone auth — all tightly integrated with your Supabase database.
Ideal for: AI coders already using Supabase who want auth that integrates seamlessly with their database and row-level security.
| Feature | Clerk | Supabase Auth |
|---|---|---|
| Best For | User login + management | Auth paired with Supabase DB |
| Price | Free / $25/mo | Free with Supabase |
| Difficulty | Beginner | Beginner |
| Output Type | Auth components | Auth services |
