Auth0 vs Supabase
Customer identity platform from Okta
vs. The open source Firebase alternative with Postgres
Pricing tiers
Auth0
B2C Essentials
Starting at 500 MAUs. Pro MFA, RBAC, passwordless, SAML, 10 orgs.
$35/mo
B2B Essentials
Unlimited orgs, 3 SSO connections, RBAC.
$150/mo
B2C Professional
Starting at 500 MAUs. Includes attack protection, custom DB, enterprise MFA.
$240/mo
B2B Professional
5+ SSO connections, attack protection, custom DB.
$800/mo
Enterprise
Custom. 99.99% SLA, dedicated support.
Custom
Supabase
Free
Perfect for experiments. Projects pause after 7 days inactivity.
Free
Pro
Production-ready. Usage-based overages apply.
$25/mo
Team
For teams; includes SOC2 attestation and priority support.
$599/mo
Enterprise
Custom quotas, HIPAA compliance, dedicated support.
Custom
Free-tier quotas head-to-head
Comparing b2c-essentials on Auth0 vs free on Supabase.
| Metric | Auth0 | Supabase |
|---|---|---|
| bandwidth gb | — | 5 GB/month |
| db storage gb | — | 0.5 GB |
| edge invocations | — | 500000 invocations/month |
| file storage gb | — | 1 GB |
| mau | — | 50000 users/month |
| mau start | 500 MAU | — |
| realtime messages | — | 2000000 messages/month |
| sso connections | 0 conns | — |
Features
Auth0 · 14 features
- Attack Protection — Bot detection, brute-force protection, breached-password detection, suspicious I…
- Auth0 Actions — Node.js + TS hooks that run during auth flows (login, post-login, signup, MFA). …
- Auth0 FGA (OpenFGA) — Fine-grained relationship-based authorization (ReBAC). Based on Google Zanzibar.
- Custom Database — BYO user DB: scripts in Actions read from your database and create Auth0 users o…
- Custom Domain — Serve auth at auth.yourbrand.com with managed cert.
- Enterprise SSO — SAML 2.0 + OIDC + AD/LDAP enterprise connections. Per-tenant or per-org.
- Log Streaming — Stream tenant logs to Datadog, Splunk, Sumo Logic, Azure Sentinel, HTTP, Mixpane…
- Machine-to-Machine — Client-credentials grant for backend services.
- Multi-Factor Auth — SMS, Voice, Email, TOTP, WebAuthn (biometrics), Push (Guardian app), Duo.
- Organizations — Multi-tenant B2B: orgs with invitations, roles, branding, enterprise connections…
- Passkeys — FIDO2/WebAuthn passkey sign-in.
- Passwordless — Email magic link + code, SMS code, WebAuthn.
- RBAC — Roles, permissions, API scopes — attach to users or orgs.
- Universal Login — Hosted login page with customization, multi-factor flows, passwordless, social, …
Supabase · 24 features
- Authentication — Complete JWT-based auth: passwords, magic links, OTP, OAuth, SSO, phone, MFA.
- Backups & PITR — Automatic daily backups + Point-in-Time Recovery (WAL-G). 14-day default PITR wi…
- Compute Instances — Upgradeable DB compute: Micro, Small, Medium, Large. Affects CPU, RAM, and conne…
- Connection Pooling — Supavisor pooler: Session mode (persistent) and Transaction mode (serverless). D…
- Cron Jobs — Scheduled recurring jobs via pg_cron. Trigger DB functions, edge functions, or H…
- Custom Domains — Configure custom hostname for API endpoints with SSL certificate management.
- Database Webhooks — Async HTTP callbacks on INSERT/UPDATE/DELETE via pg_net extension.
- Edge Functions — TypeScript (Deno runtime) functions deployed globally at the edge. Supports secr…
- Full-Text Search — PostgreSQL native FTS: to_tsvector, to_tsquery, GIN indexes, fuzzy matching, wei…
- Image Transformations — On-the-fly resize, crop, quality (20-100), WebP auto-format. Smart CDN caching. …
- Log Drains — Route all stack logs to HTTP, Datadog, Loki, Sentry, S3, OTLP, or Axiom. Up to 2…
- Metrics API — ~200 Prometheus-compatible Postgres metrics. OpenTelemetry export to Datadog, Gr…
- Network Restrictions — CIDR allowlist for database access. Multiple IP ranges supported. Pro+ plan.
- OAuth 2.1 Server — Use Supabase Auth as OAuth provider. Custom Access Token Hooks for claim injecti…
- pgvector — Store and search vector embeddings in Postgres. Supports HNSW/Flat indexes, cosi…
- PostgreSQL Database — Full PostgreSQL per project: SQL editor, table editor, CSV import, 50+ extension…
- PostgreSQL Extensions — 50+ pre-installed extensions: uuid-ossp, pgvector, pg_cron, plv8, pgtap, pg_net,…
- Preview Branches — Ephemeral or persistent DB branches for isolated testing. Git integration, auto-…
- Queues — Exactly-once message queues built on pgmq. Stored in Postgres with configurable …
- Read Replicas — Async read-only replicas in multiple regions. Geo-routing, replication lag monit…
- Realtime — WebSocket subscriptions for DB changes (INSERT/UPDATE/DELETE), broadcast, and pr…
- Row Level Security — SQL-native access control; policies auto-filter rows based on auth.uid() / auth.…
- SSL Enforcement — Require TLS for all DB connections. Configurable: required, preferred, disabled.
- Storage — Files, Analytics (Iceberg), and Vector buckets with global CDN (285+ cities) and…
Developer interfaces
| Kind | Auth0 | Supabase |
|---|---|---|
| CLI | Auth0 CLI | Supabase CLI |
| SDK | Auth0 Android, Auth0 iOS/Swift, @auth0/nextjs-auth0, Auth0 React SDK, Auth0 SPA.js SDK, Go Auth0 SDK, Node Auth0 Backend SDK, Python Auth0 SDK | C# SDK, Flutter SDK, JavaScript SDK, Kotlin SDK, Python SDK, Swift SDK |
| REST | Authentication API, Management API | Management API, REST API (PostgREST) |
| GRAPHQL | — | GraphQL (pg_graphql) |
| MCP | — | Supabase MCP Server |
| OTHER | — | Realtime (WebSocket) |
Staxly is an independent catalog of developer platforms. Outbound links to Auth0 and Supabase are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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