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Popular Auth0 Comparisons:
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Clerk vs Auth0
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Auth.js vs WorkOS
Ory vs WorkOS
SuperTokens vs WorkOS
Logto vs WorkOS
Hanko vs WorkOS
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Authress vs WorkOS

FusionAuth vs Clerk

Learn how FusionAuth 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 FusionAuth

FusionAuth

Complete auth solution with hybrid deployment flexibility
Visit FusionAuthRead more
Details:

  • B2B

    Yes

  • B2C

    Yes

  • Open Source

    No

  • Self-hosted

    Yes

  • EU data residency

    Yes
FusionAuth screenshot
Favicon of Clerk

Clerk

Complete authentication & user management for modern apps
Visit ClerkRead more

Feature Comparison

FusionAuth offers broader feature coverage than Clerk, supporting 47 features compared to 38. FusionAuth fully covers machine to machine (m2m) authentication and platform, and both tools fully cover authentication and branding and more.

Passwordless Authentication
FusionAuth
Clerk
Social Connections
FusionAuth
Clerk
Passkeys
FusionAuth
Clerk
Long Lived Sessions
FusionAuth
Clerk
Session Management
FusionAuth
Clerk
Multi-Language
FusionAuth
Clerk
Device Login (CLI & TV)
FusionAuth
Clerk

In beta, and support has to enable it.

In beta, and support has to enable it.

FusionAuthClerk
Passwordless Authentication
Social Connections
Passkeys
Long Lived Sessions
Session Management
Multi-Language
Device Login (CLI & TV)

In beta, and support has to enable it.

In beta, and support has to enable it.

Compliance Comparison

FusionAuth offers significantly broader coverage than Clerk, supporting 5 certifications and regulatory frameworks compared to 2 for Clerk.

fedramp iconFedRAMPCompliant
FusionAuth
Clerk
gdpr iconGDPRCompliant
FusionAuth
Clerk

Other tool comparisons to consider

Favicon of Supabase AuthFavicon of Clerk

Supabase Auth vs Clerk

Favicon of Auth.jsFavicon of Clerk

Auth.js vs Clerk

Details:

  • B2B

    Yes

  • B2C

    Yes

  • Open Source

    No

  • Self-hosted

    No

  • EU data residency

    No
Clerk screenshot
hipaa iconHIPAACompliant
FusionAuth
Clerk
iso-27001 iconISO 27001Certified
FusionAuth
Clerk
soc2 iconSOC2Compliant
FusionAuth
Clerk
ComplianceFusionAuthClerk
fedramp iconFedRAMPCompliant
gdpr iconGDPRCompliant
hipaa iconHIPAACompliant
iso-27001 iconISO 27001Certified
soc2 iconSOC2Compliant
Favicon of Ory
Favicon of Clerk

Ory vs Clerk

Favicon of SuperTokensFavicon of Clerk

SuperTokens vs Clerk

Favicon of LogtoFavicon of Clerk

Logto vs Clerk

Favicon of HankoFavicon of Clerk

Hanko vs Clerk

Favicon of HexclaveFavicon of Clerk

Hexclave vs Clerk

Favicon of AuthressFavicon of Clerk

Authress vs Clerk

Favicon of authentikFavicon of Clerk

authentik vs Clerk

Favicon of KeycloakFavicon of Clerk

Keycloak vs Clerk

Favicon of CasdoorFavicon of Clerk

Casdoor vs Clerk

Favicon of DescopeFavicon of Clerk

Descope vs Clerk

Favicon of SlashIDFavicon of Clerk

SlashID vs Clerk

Favicon of MagicLabsFavicon of Clerk

MagicLabs vs Clerk

Favicon of PropelAuthFavicon of Clerk

PropelAuth vs Clerk

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