Supabase vs Clerk for Auth
Verdict
Supabase Auth wins if you use Supabase or need RLS. Clerk wins for drop-in auth UI and speed.
| Dimension | Supabase | Clerk |
|---|---|---|
| Setup speed | Moderate (API wiring) | ✓ 5-minute drop-in components |
| Database | ✓ Postgres + RLS (native) | External (Clerk-hosted) |
| UI components | Build your own | ✓ Pre-built, beautiful |
| SSO providers | Supported, manual config | ✓ 20+ providers, one-click |
| Free tier | ✓ 50K MAU (Supabase plan) | 10K MAU free |
| Best for | Supabase users, RLS-based apps | Quick auth with polished UI |