Auth0 vs Clerk: Features, Pricing and User Reviews 2026
Auth0
Secure Authentication & User Login Platform by Okta
Clerk
Complete Authentication for Modern Apps
Auth0
Secure Authentication & User Login Platform by Okta
Clerk
Complete Authentication for Modern Apps
What are Auth0 and Clerk?
Auth0 is an identity and access management platform that handles user authentication and authorization for web and mobile applications. It works as a service that sits between your application and your users, managing who can access what.
The platform supports many login types including traditional passwords, social media accounts like Google or Facebook, fingerprint recognition, and one-time codes. It also provides single sign-on, which lets users log into multiple apps with one set of credentials.
Auth0 handles security requirements like checking for breached passwords, blocking suspicious login attempts, and verifying user identity through multiple factors. Developers can set it up quickly using ready-made tools and code libraries, saving months of development time and reducing security risks.
Clerk is an authentication platform that handles all aspects of user identity and access control. You get pre-built login screens, user profile pages, and account management tools that you can customize to match your brand. Unlike basic auth solutions, Clerk provides advanced features out of the box.
It supports multiple sign-in methods including passwords with breach detection, social logins from providers like Google and GitHub, email codes, and SMS verification. For business applications, Clerk includes organizations with roles and permissions, allowing you to build team-based features easily.
The platform also handles security requirements like multi-factor authentication, session management, and device tracking. Everything is managed through a dashboard where you can monitor users, configure settings, and access detailed analytics.
Features of Auth0 and Clerk
Secure authentication for web and mobile apps
Social login with 30+ providers
Multi-factor authentication options
Single sign-on capabilities
Passwordless login methods
Custom branding for login pages
Attack protection and security monitoring
User profile management
Role-based access control
API security
Enterprise directory integration
Real-time security alerts
Detailed activity logs
Pre-built authentication components and user interfaces
20+ social login providers including Google and GitHub
Multi-factor authentication with SMS and authenticator apps
Password authentication with automatic breach detection
Organizations with roles and permissions for teams
Enterprise SSO with SAML and OAuth support
Session management and device tracking
Webhooks and API access for custom integrations
SOC 2 and HIPAA compliance
Free tier with 10,000 monthly active users
Use Cases of Auth0 and Clerk
Pricing of Auth0 and Clerk
Auth0 offers flexible pricing for different business needs with separate plans for consumer-facing applications and business software.
For B2C Applications (Business to Consumer), the Free plan supports up to 25,000 monthly active users with basic features. The Essentials plan costs $35 monthly for 500 users and includes multi-factor authentication and better limits. The Professional plan is $240 monthly for 1,000 users with advanced security features. Enterprise plans offer custom pricing with dedicated support and guaranteed uptime.
For B2B Applications (Business to Business), pricing starts higher. The Free plan includes the same 25,000 users. Essentials costs $150 monthly, Professional is $800 monthly, and Enterprise plans are available with custom pricing. All paid plans can be billed monthly or yearly, with yearly billing offering one month free.
Clerk offers flexible pricing to support projects of all sizes. The free plan includes 10,000 monthly active users with all core features, pre-built components, and custom domain support. Users who sign up but never return are completely free.
The Pro plan charges just $0.02 per monthly active user after your first 10,000 free users. Pro includes removing Clerk branding, allowlist and blocklist features, and customizable session duration.
For advanced needs, add-ons cost $100 per month each. The Enhanced Authentication add-on provides multi-factor auth, device tracking, and enterprise SSO. The Enhanced Administration add-on includes user impersonation and audit logs.
Organizations start at $1 per monthly active organization after your first 100 free, with unlimited members per organization in Pro.
Enterprise plans offer custom pricing with 99.99% uptime guarantees, support SLAs, HIPAA compliance, dedicated Slack support, and onboarding assistance. Startup discounts are available through partners like Y Combinator and Stripe Atlas.
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