Auth0 vs Supabase
Auth0 and Supabase are both developer tools tools. Auth0 is aimed at developers and enterprise, while Supabase is aimed at developers. Supabase costs less, from $25/mo versus $35/mo for Auth0. Both have a free plan.
| Pricing | Freemium · $35 | Open source · $25 |
| Starting price | $35/mo | $25/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Built for | Developers, Enterprise | Developers |
| Platforms | web | web |
| Country | US · 2013 | SG · 2020 |
| Rating | — | — |
Choose Auth0 if
Companies with enterprise SSO requirements or large consumer user bases.
- Generous free tier (25k MAU)
- Enterprise SSO and compliance depth
- Reliable at huge scale
Look elsewhere if: Early-stage React apps wanting prebuilt UI (Clerk) or teams wanting self-hosted ownership (Better Auth, Keycloak).
Choose Supabase if
Developers and startups who want a Postgres-based backend with batteries included and an exit path.
- Real Postgres, no proprietary data model
- Generous free tier; Pro is affordable
- Open source and self-hostable
Look elsewhere if: Teams needing multi-region writes or non-relational models by default.
Auth0 vs Supabase pricing
Auth0
- Free$0Up to 25,000 MAU, 1 custom domain, community support
- Essentials$35/moB2C, 500 MAU base; B2B from $150/mo; yearly = 11x monthly
- Professional$240/moB2C, 500 MAU base; B2B from $800/mo; 12 tenants
- EnterpriseCustom99.99% SLA, 30-day log retention
Supabase
- Free$02 active projects, 500 MB DB, 50k MAU
- Pro$25/mo100k MAU, 8 GB disk, $10 compute credit
- Team$599/moSSO, SOC 2, longer backups and logs
- EnterpriseCustomCustom SLAs, BYO cloud
Auth0 · Key features
- Universal Login with social, enterprise and passwordless
- MFA, passkeys and adaptive attack protection
- Organizations for B2B multi-tenant SSO
- Fine-grained authorization and RBAC
- Actions for custom flows and integrations
- SDKs for web, mobile and backend
Cons
- Expensive once beyond free or with enterprise connections
- Complex configuration
- UI customization takes effort
Supabase · Key features
- Managed Postgres with extensions, pgvector and branching
- Auto-generated REST (PostgREST) and GraphQL APIs
- Auth with email, OAuth, magic links, MFA and row-level security
- Storage with CDN and image transformations
- Edge Functions (Deno) and Realtime channels
- Dashboard SQL editor, table editor, logs and self-hosting option
Cons
- Free projects pause after inactivity
- Compute add-ons and egress raise costs at scale
- Edge Functions are Deno-only
Auth0 vs Supabase: FAQ
Which is cheaper, Auth0 or Supabase?
Supabase starts at $25/mo and Auth0 at $35/mo. Both prices are checked on the vendors' own pricing pages.
Do Auth0 and Supabase have a free plan?
Yes, both Auth0 and Supabase have a free plan; paid plans add more usage and features.