Authsignal vs Better Auth
Learn how Authsignal 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.
Authsignal
Better Auth
Feature Comparison
Both tools offer comparable feature coverage, with Better Auth supporting 25 features and Authsignal supporting 24. Consider your specific needs regarding authentication, enterprise auth, security, user management and extensibility when making your decision.
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
The session management APIs let you issue, validate, refresh and revoke access tokens and refresh tokens
No official multi‑language or localization support, but a community plugin for localization exists
| Authsignal | 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 | ||
The session management APIs let you issue, validate, refresh and revoke access tokens and refresh tokens | ||
No official multi‑language or localization support, but a community plugin for localization exists |
Compliance Comparison
Authsignal offers significantly broader coverage than Better Auth, supporting 3 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.
FIDOCertified
PSD2Compliant
SOC2Compliant| Compliance | Authsignal | Better Auth |
|---|---|---|
| FIDOCertified | ||
| PSD2Compliant | ||
| SOC2Compliant |
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