Supabase Auth vs Better Auth
Learn how Supabase Auth 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.
Supabase Auth
Better Auth
Feature Comparison
Both tools offer comparable feature coverage, with Better Auth supporting 33 features and Supabase Auth supporting 29. Consider your specific needs regarding authentication, enterprise auth, security, user management and extensibility when making your decision. Better Auth fully covers 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
Supabase does not offer built-in passkey authentication but offers a third‑party integration with Corbado to support Passkeys
The passkey plugin adds FIDO2 / WebAuthn support for passwordless, phishing‑resistant sign‑in
User sessions are long‑lived by default and can be time‑boxed or configured with inactivity timeouts on paid plans
Session settings allow you to configure expiresIn and updateAge to create longer or shorter sessions
Supabase lets developers control session duration, enforce inactivity timeouts and revoke sessions through the Admin API
Multi-language is supported via the i18n plugin
| Supabase Auth | 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 | ||
Supabase does not offer built-in passkey authentication but offers a third‑party integration with Corbado to support Passkeys | The passkey plugin adds FIDO2 / WebAuthn support for passwordless, phishing‑resistant sign‑in | |
User sessions are long‑lived by default and can be time‑boxed or configured with inactivity timeouts on paid plans | Session settings allow you to configure expiresIn and updateAge to create longer or shorter sessions | |
Supabase lets developers control session duration, enforce inactivity timeouts and revoke sessions through the Admin API | ||
Multi-language is supported via the i18n plugin |
Compliance Comparison
Supabase Auth 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.
GDPRCompliant
HIPAACompliant
SOC2Compliant| Compliance | Supabase Auth | Better Auth |
|---|---|---|
| GDPRCompliant | ||
| HIPAACompliant | ||
| SOC2Compliant |
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