ZITADEL vs Better Auth
Learn how ZITADEL and Better Auth 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.
ZITADEL
Better Auth
Feature Comparison
ZITADEL has significantly broader feature support than Better Auth, with 35 supported features versus 25. ZITADEL fully covers machine to machine (m2m) authentication and branding and more.
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
No official multi‑language or localization support, but a community plugin for localization exists
| ZITADEL | Better Auth | |
|---|---|---|
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 | ||
No official multi‑language or localization support, but a community plugin for localization exists |
Compliance Comparison
ZITADEL offers significantly broader coverage than Better Auth, supporting 4 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.
CCPACompliant
GDPRCompliant
ISO 27001Certified
OpenSSF Best PracticesCertified| Compliance | ZITADEL | Better Auth |
|---|---|---|
| CCPACompliant | ||
| GDPRCompliant | ||
| ISO 27001Certified | ||
| OpenSSF Best PracticesCertified |
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