Supabase Auth vs Auth0

Free with Supabase meets the identity-as-a-service darling that makes auth easy until you hit the enterprise pricing wall. Here's our take.

Supabase Auth

Nice Pick

Free with Supabase. Good enough for most apps.

Pros

• Free
• Integrated with Supabase
• Row-level security
• Social logins

Cons

• Less polished UI
• Fewer features
• Tied to Supabase

Auth0

The identity-as-a-service darling that makes auth easy until you hit the enterprise pricing wall.

Pros

• Enterprise features
• Many integrations
• Mature
• Customizable
• Quick setup with pre-built login UIs and social logins
• Handles complex protocols like OAuth 2.0 and SAML out-of-the-box
• Scalable for startups to large applications with minimal dev effort

Cons

• Complex
• Expensive
• Overkill for small apps
• Pricing can skyrocket with user counts and advanced features
• Customization beyond basics often requires wrestling with their rules engine

The Verdict

These tools serve different purposes. Supabase Auth is a authentication while Auth0 is a hosting & deployment. We picked Supabase Auth based on overall popularity, but your choice depends on what you're building.

The Bottom Line

Supabase Auth wins

Based on overall popularity. Supabase Auth is more widely used, but Auth0 excels in its own space.