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Firebase Authentication vs Clerk

Learn how Firebase Authentication 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 Firebase Authentication

Firebase Authentication

Secure multi-platform authentication in under 10 lines
Visit Firebase AuthenticationRead more
Details:
  • B2B


    Yes
  • B2C


    Yes
  • Open Source


    No
  • Self-hosted


    No
  • EU data residency


    No
Firebase Authentication screenshot
Favicon of Clerk

Clerk

Complete authentication & user management for modern apps
Visit ClerkRead more
Details:
  • B2B


    Yes
  • B2C


    Yes
  • Open Source


    No
  • Self-hosted


    No
  • EU data residency


    No
Clerk screenshot

Feature Comparison

Clerk has significantly broader feature support than Firebase Authentication, with 38 supported features versus 25. Clerk fully covers authentication and extensibility and more, and both tools fully cover branding.

Passwordless Authentication
Firebase Authentication
Clerk
Social Connections
Firebase Authentication
Clerk
Passkeys
Firebase Authentication
Clerk
Long Lived Sessions
Firebase Authentication
Clerk
Session Management
Firebase Authentication
Clerk
Multi-Language
Firebase Authentication

Email templates and FirebaseUI can be localized; set the language with a `languageCode` property or override CSS for more than 40 languages

Email templates and FirebaseUI can be localized; set the language with a `languageCode` property or override CSS for more than 40 languages

Clerk
Device Login (CLI & TV)
Firebase Authentication
Clerk

In beta, and support has to enable it.

In beta, and support has to enable it.

Firebase AuthenticationClerk
Passwordless Authentication
Social Connections
Passkeys
Long Lived Sessions
Session Management
Multi-Language

Email templates and FirebaseUI can be localized; set the language with a `languageCode` property or override CSS for more than 40 languages

Email templates and FirebaseUI can be localized; set the language with a `languageCode` property or override CSS for more than 40 languages

Device Login (CLI & TV)

In beta, and support has to enable it.

In beta, and support has to enable it.

Compliance Comparison

Firebase Authentication offers significantly broader coverage than Clerk, supporting 6 certifications and regulatory frameworks compared to 2 for Clerk.

ccpa iconCCPACompliant
Firebase Authentication
Clerk
gdpr iconGDPRCompliant
Firebase Authentication
Clerk
hipaa iconHIPAACompliant
Firebase Authentication
Clerk
iso-27001 iconISO 27001Certified
Firebase Authentication
Clerk
iso-27017 iconISO 27017Certified
Firebase Authentication
Clerk
iso-27018 iconISO 27018Certified
Firebase Authentication
Clerk
soc2 iconSOC2Compliant
Firebase Authentication
Clerk
ComplianceFirebase AuthenticationClerk
ccpa iconCCPACompliant
gdpr iconGDPRCompliant
hipaa iconHIPAACompliant
iso-27001 iconISO 27001Certified
iso-27017 iconISO 27017Certified
iso-27018 iconISO 27018Certified
soc2 iconSOC2Compliant

Other tool comparisons to consider

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WorkOS vs Clerk

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FusionAuth vs Clerk

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Supabase Auth vs Clerk

Favicon of Auth.jsFavicon of Clerk

Auth.js vs Clerk

Favicon of OryFavicon 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

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Authress vs Clerk

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authentik vs Clerk

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Casdoor vs Clerk

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Auth0Alternatives
FeaturesOpen SourceSelf-hostedB2BB2C
SubmitSign In

Discover

LatestOpen SourceSelf-hostedB2BB2CAll providers

AI & Agents

MCP AuthorizationAgent IdentitiesToken VaultAI Agent DetectionDevice LoginAll features

Data Residency

πŸ‡ͺπŸ‡ΊEuropean UnionπŸ‡ΊπŸ‡ΈUnited StatesπŸ‡¬πŸ‡§United KingdomπŸ‡¨πŸ‡­SwitzerlandπŸ‡¦πŸ‡ΊAustraliaAll regions

Compliance

SOC2GDPRISO 27001HIPAAPCI DSSAll compliance
Submit
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