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Auth0 vs Supabase: 2026 Comparison

Auth0 Supabase
Overview A flexible authentication and authorization platform for building secure login experiences with social, passwordless, and MFA support. An open-source Firebase alternative with PostgreSQL database, authentication, real-time subscriptions, and edge functions.
Pricing Freemium (Free-$23/1K MAU) Freemium (Free-$25/month)
Key Features
  • Universal Login
  • Social connections
  • MFA
  • Passwordless
  • SSO
  • RBAC
  • Breached password detection
  • Extensibility
  • PostgreSQL database
  • Authentication
  • Real-time
  • Edge functions
  • Storage
  • Vector embeddings
  • Auto-generated APIs
  • Dashboard
Pros
  • Comprehensive auth solution
  • Many social providers
  • Good documentation
  • Flexible rules
  • Open source
  • PostgreSQL-based
  • Generous free tier
  • Great developer experience
Cons
  • Expensive at scale
  • Complex pricing
  • Can be overkill
  • Okta acquisition concerns
  • Scaling can get expensive
  • Newer platform
  • Some features in beta
  • Self-hosting requires expertise