Auth0
Depends
Confidence: Low
Buy Auth0 if you need managed enterprise-grade auth . SSO, MFA, many providers . and should not build it yourself; skip it if a simple login is all you need.
Comparison
Auth0 vs Keycloak
Keycloak
Starting report…
Pick Auth0 when
- SaaS teams that shouldn't build auth in-house
- Apps needing SSO, SAML, or MFA
- Products scaling to many monthly active users
- Apps with multiple social login providers
When Auth0 is not a fit
- Internal tools with a handful of users
- Simple apps that only need email and password
- Zero-budget side projects avoiding per-user costs
- Teams wanting free self-hosted open source
Sources
- Auth0 homepageauth0.comofficial
- Security pageauth0.comsecurity