Auth0

Secure access for everyone. But not just anyone.

Product Screenshots

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Auth0 provides authentication and authorization as a service. Add secure login to your apps with SSO, MFA, and social connections. Now part of Okta.

Apps needing enterprise-grade authentication

Universal login

Social connections

Multi-factor auth

SSO

User management

Extensive SDKs

Pricing scales with users

Complex for simple apps

Lock-in concerns

I need user authentication for my app

User authentication is complex and security-critical. Modern auth services handle login, registration, password resets, ...

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4.0

Strong dev-tools solution. Apps needing enterprise-grade authentication.

Reviewed Dec 2025 by our editorial team

PricingFreemium

Est. Monthly Cost$0-500/mo

CategorySecurity, Developer Tools

Founded2013

Last UpdatedDec 2025

Includes: 7,500 active users, 2 social connections

Note: Limited MFA options