Supabase Auth vs Clerk

Supabase Auth vs Clerk comparison for authentication. Compare integrated BaaS auth vs dedicated auth service for your app.

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Schnelles Urteil

Gewinner: Kommt darauf an

Supabase Auth is free and integrates seamlessly with Supabase's database. Clerk offers superior DX and pre-built components. Use Supabase Auth if you're already using Supabase; use Clerk for the best auth DX.

Wählen Sie Supabase Auth, wenn...

✓ You're already using Supabase
✓ You want free authentication
✓ You need tight database integration
✓ Row Level Security matters to you
✓ You prefer one platform for everything

Wählen Sie Clerk, wenn...

✓ You want the best developer experience
✓ You need beautiful pre-built components
✓ You need organizations/multi-tenancy
✓ You want a dedicated auth solution
✓ User management dashboard is important

Funktion-für-Funktion-Vergleich

Kategorie	Supabase Auth	Clerk	Gewinner
Pricing	Free with Supabase. Included in all plans.	Free: 10k MAU. Pro: $25/mo + $0.02/MAU.	Supabase Auth
Free Tier	Unlimited auth users on free Supabase plan.	10,000 MAU with full features.	Supabase Auth
Developer Experience	Good SDK. Requires building your own UI.	Exceptional. Drop-in components, great hooks.	Clerk
Documentation	Good docs integrated with Supabase guides.	Excellent. Framework-specific guides, examples.	Clerk
Scalability	Scales with your Supabase project.	Managed infrastructure. Scales automatically.	Unentschieden
Features	Social login, email, phone, MFA, RLS integration.	Social login, MFA, organizations, webhooks, user management.	Clerk

Code-Vergleich

typescript

import { createClient } from '@supabase/supabase-js';

const supabase = createClient(url, anonKey);

const { data, error } = await supabase.auth.signInWithOAuth({
  provider: 'github',
});

// User automatically has access to RLS-protected tables

Supabase Auth integrates directly with Row Level Security.

tsx

import { SignIn } from '@clerk/nextjs';

export default function SignInPage() {
  return (
    <SignIn
      appearance={{
        elements: { rootBox: 'mx-auto' },
      }}
    />
  );
}

// Beautiful, customizable UI out of the box

Clerk's components are production-ready immediately.

🔄 Migrationshinweise

Migration is complex. User IDs and session handling differ significantly. If using Supabase RLS, you'll need to update policies when switching to Clerk.

Häufig gestellte Fragen

Can I use Clerk with Supabase? ▼

Yes! You can use Clerk for auth and Supabase for database. Clerk provides a Supabase integration that syncs user IDs for RLS.

Which is better for a side project? ▼

Supabase Auth is completely free and sufficient for most side projects. Use Clerk if you want to ship faster with pre-built UI.

Supabase Auth ausprobieren

Open source Firebase alternative

Clerk ausprobieren

Authentication and user management that just works

⚖ Im interaktiven Tool vergleichen

Zuletzt aktualisiert: January 11, 2026