Auth0
Enterprise-grade authentication and identity
Overview
Auth0 is an authentication and identity platform built for applications that need robust security, SSO and compliance. It handles login, social and enterprise connections, MFA, and fine-grained access control. It is a common choice for enterprise SaaS that needs SAML SSO, compliance certifications and advanced security policies.
Enterprise SSO
SAML, OIDC and enterprise connections.
Compliance
SOC 2, HIPAA BAA and advanced policies.
MFA
Multi-factor and adaptive security.
Pros
Cons
Key features
Pricing
Free
$0
Up to ~25,000 MAU
Essentials
~$35/mo
Core paid features
Professional
~$240/mo
SSO add-ons and more
Best for
Enterprise SaaS
Add SSO and compliance for big customers.
B2B apps
Manage org-level identity and access.
Secure login
Drop-in authentication with MFA.
Alternatives to Auth0
View all →Frequently asked questions
Is Auth0 free?
Auth0 has a free tier (up to around 25,000 monthly active users), with paid Essentials, Professional and Enterprise plans above that.
What is Auth0 used for?
Authentication and identity: login, social and enterprise SSO, MFA and access control for apps.
Does Auth0 support SSO?
Yes, including SAML and OIDC enterprise single sign-on, with SSO add-ons on higher tiers.
Is Auth0 good for enterprises?
Yes, it is widely used by enterprise SaaS for its compliance certifications and advanced security features.
How does Auth0 compare to Clerk?
Auth0 is stronger for enterprise compliance and SSO, while Clerk is favored for developer experience and modern React/Next.js integration.
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