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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Verdict Rapide

Gagnant: Ça dépend

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.

Choisissez Supabase Auth si...

✓ 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

Choisissez Clerk si...

✓ 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

Comparaison Fonctionnalité par Fonctionnalité

Catégorie	Supabase Auth	Clerk	Gagnant
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.	Égalité
Features	Social login, email, phone, MFA, RLS integration.	Social login, MFA, organizations, webhooks, user management.	Clerk

Comparaison de Code

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.

🔄 Notes de Migration

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

Questions Fréquemment Posées

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.

Essayer Supabase Auth

Open source Firebase alternative

Essayer Clerk

Authentication and user management that just works

⚖ Comparer dans l'Outil Interactif

Dernière mise à jour: January 11, 2026