Auth0 (Okta): the most mature hosted identity platform. Rules, integrations and enterprise features — at prices that climb fast beyond the free tier.
Auth0
The incumbent identity platform — every protocol, every integration
auth0.com · Free to 25k MAU; paid climbs steeply
Capabilities
Capabilities
- Universal login, every OAuth/OIDC/SAML flow, actions/rules engine
- Free to 25k MAU (2024 pricing), then steep
Best for
- Complex identity requirements and compliance-driven builds
Not for
- Indie clones — better-auth (free) or Clerk (simpler) cover 95% of needs