VVektorIndex
Independent directory. VektorIndex is not affiliated with or sponsored by any listed vendor. All specifications are sourced from official vendor documentation.

Head-to-Head Specification Audit

Clerk vs Supabase

SaaS Developers · Global

Authentication & Identity

Clerk

SaaS Developers · Global

Visit Clerk

Database & Backend

Supabase

Open Source Firebase Alternative · Global

Visit Supabase

Specification Matrix

MetricClerkSupabase
Starting Price$25/moBetter$25/mo
API Rate LimitN/A500 req/min
Target CountryGlobalGlobal
CategoryAuthentication & IdentityDatabase & Backend
ComplianceSOC2, GDPR, CCPASOC2, GDPR, HIPAA-Enterprise
Hosting RegionsUS-East, EU-WestEU-West, US-East, AP-Southeast
Native Integrations7 listedBetter6 listed

Clerk — Key Specs

  • Drop-in React components for sign-in, sign-up, and user profile — 15-minute integration
  • Multi-tenancy with Organizations built-in — no custom RBAC required for B2B SaaS
  • Passkey, WebAuthn, and magic link support included on all plans
  • Webhooks on every auth event for syncing users to Supabase, Stripe, or your database

Supabase — Key Specs

  • PostgreSQL with RLS, Edge Functions, Realtime, Auth, Storage
  • pgvector extension: vector similarity search without Pinecone
  • SOC 2 Type II, GDPR DPA (EU data residency available)
  • Free tier: 500MB database + 2GB storage forever

Frequently Asked Questions

What is cheaper, Clerk or Supabase?+

Both tools start at $25/mo on their entry plans.

Which tool is better for compliance — Clerk or Supabase?+

Both support SOC2, GDPR. Clerk additionally supports CCPA. Supabase additionally supports HIPAA-Enterprise.

Which tool is better suited for Global?+

Clerk is evaluated for SaaS Developers in Global with hosting regions: US-East, EU-West. Supabase has hosting regions: EU-West, US-East, AP-Southeast. For data residency in Global, check each vendor's data processing agreements.

Data last verified: 26 June 2026

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