Compare
Auth0 vs Supabase
Supabase offers Postgres-based backend plus auth; Auth0 offers deeper enterprise features and AI-agent support.
Which to pick
Pick Auth0 if you want…
- Unified identity platform for apps and AI agents
- Integrations with Okta universal logout (on Auth0's list, not Supabase's)
Pick Supabase if you want…
- Postgres-backed backend as a service
- Postgres-centric backend with auth
- The lower starting price: $25/month against $35/month
- Open-source code (supabase/supabase on GitHub, Apache-2.0 license)
- Integrations with React, Next.js or Flutter (on Supabase's list, not Auth0's)
Side by side
- What it is
- Auth0:Auth0 provides scalable authentication and authorization for apps, APIs, and AI agents.
- Supabase:Supabase is an open-source platform that provides a hosted Postgres database with auth, realtime, storage, edge functions and vector search.
- Best for
- Auth0:Unified identity platform for apps and AI agents
- Supabase:Postgres-backed backend as a service
- Who it’s for
- Auth0:Developers building B2C, B2B SaaS, AI agents, or machine-to-machine services.
- Supabase:Developers building web, mobile or AI apps who need a full backend without managing servers.
- Pricing
- Auth0:Freemium
- Supabase:Freemium
- Plans
- Auth0:Free $0 · Essentials $35 per month · Professional $240 per month
- Supabase:Free $0 · Pro $25 per month · Team $599 per month
- Open source
- Auth0:—
- Supabase:Yes, 110,974 GitHub stars
- Works with
- Auth0:Okta universal logout
- Supabase:React, Next.js, Flutter, Expo React Native, OpenAI, Hugging Face, Stripe
Auth0 features
- Universal Login. Customizable login experience with passwordless, social, and adaptive MFA.
- Single Sign-On. Enterprise federation and cross-app SSO for human users and AI agents.
- Machine-to-Machine Auth. Short-lived tokens, client-credentials flow and M2M add-ons for services.
- Fine-Grained Authorization. Scalable APIs for granular access control, including RAG and AI contexts.
- Token Vault & MCP Auth. Secure storage of tokens and authorization for model-context protocols.
- Extensibility via Actions & Forms. Serverless hooks and no-code visual editor to extend login flows.
Supabase features
- Managed Postgres. Each project gets its own dedicated Postgres instance with built-in Row Level Security.
- Authentication. User sign-up, login, social OAuth and MFA with automatic JWT handling.
- Realtime API. Live data synchronization for multiplayer or collaborative experiences.
- Edge Functions. Serverless functions that run close to the database without provisioning servers.
- Storage & CDN. File storage with 1 GB free, cached egress and basic CDN for serving assets.
- Vector Embeddings. Store, index and search vector embeddings via OpenAI or Hugging Face integrations.
- Instant REST/GraphQL APIs. Auto-generated APIs for any table, accessible via the client library.
- Dashboard & Tools. SQL/Table editors, RLS policy UI, log viewer and backup controls in a web console.
Auth0 vs Supabase FAQ
Is Auth0 or Supabase free?+
Auth0 has a free plan; paid plans start at $35/month (Essentials). Supabase has a free plan; paid plans start at $25/month (Pro).
Which is cheaper, Auth0 or Supabase?+
Supabase is cheaper to start with: Supabase's Pro plan ($25/month) against Auth0's Essentials plan ($35/month).
Is Auth0 or Supabase open source?+
Supabase is open source (supabase/supabase on GitHub, Apache-2.0 license). DevHunt has no public source repository on record for Auth0.
Do Auth0 and Supabase integrate with the same tools?+
Their integration lists don't overlap: Auth0 lists Okta universal logout; Supabase lists React, Next.js, Flutter, Expo React Native and 3 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.