Better Auth vs Auth0
Learn how Better Auth and Auth0 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.
Better Auth

Feature Comparison
Auth0 offers broader feature coverage than Better Auth, supporting 42 features compared to 33. Auth0 fully covers enterprise authentication and machine to machine (m2m) authentication and more, and both tools fully cover authentication.
Magic link and email OTP plugins allow passwordless sign-in using one-time links or codes
Supports multiple social providers through built-in OAuth and generic OAuth plugin for custom providers
The passkey plugin adds FIDO2 / WebAuthn support for passwordless, phishing‑resistant sign‑in
Session settings allow you to configure expiresIn and updateAge to create longer or shorter sessions
Up to 100 days for inactivity timeout and 365 days for forced logout
Multi-language is supported via the i18n plugin
| Better Auth | Auth0 | |
|---|---|---|
Magic link and email OTP plugins allow passwordless sign-in using one-time links or codes | ||
Supports multiple social providers through built-in OAuth and generic OAuth plugin for custom providers | ||
The passkey plugin adds FIDO2 / WebAuthn support for passwordless, phishing‑resistant sign‑in | ||
Session settings allow you to configure expiresIn and updateAge to create longer or shorter sessions | Up to 100 days for inactivity timeout and 365 days for forced logout | |
Multi-language is supported via the i18n plugin |
Compliance Comparison
Auth0 offers significantly broader coverage than Better Auth, supporting 10 certifications and regulatory frameworks compared to 0 for Better Auth. Since Better Auth is open source and does not include compliance certifications, you’ll need to manage compliance yourself.
