Auth.js vs Clerk

Learn how Auth.js and Clerk differ in their key features like authentication, enterprise auth, security, user management and compliance, so you can decide which of these authentication providers is best for you.

Favicon of Auth.js

Auth.js

Secure authentication for modern web applications
Details:
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Auth.js screenshot
vs
Favicon of Clerk

Clerk

Complete authentication & user management for modern apps
Details:
Clerk screenshot

Feature Comparison

Clerk has significantly broader feature support than Auth.js, with 31 supported features versus 15. Clerk fully covers authentication and branding and more.

Auth.js

Auth.js comes with over 80 preconfigured OAuth providers (Google, GitHub, Twitter, Facebook, etc.) so users can sign in with existing accounts

Clerk
Auth.js
Clerk
Auth.js

Session settings allow adjusting `session.maxAge` and `updateAge` to control how long sessions last; default expiry is 30 days but can be configured for longer durations

Clerk
Auth.js
Clerk
Auth.js
Clerk

Compliance Comparison

Clerk offers broader coverage than Auth.js, supporting 2 certifications and regulatory frameworks compared to 0 for Auth.js. Since Auth.js is open source and does not include compliance certifications, you’ll need to manage compliance yourself.

hipaa iconHIPAACompliant
Auth.js
Clerk
soc2 iconSOC2Compliant
Auth.js
Clerk
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