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Authsignal vs Firebase Authentication

Learn how Authsignal and Firebase Authentication 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 Authsignal

Authsignal

Secure authentication without the engineering complexity
Visit Authsignal Read more
Details:

  • B2B

    Yes

  • B2C

    Yes

  • Open Source

    No

  • Self-hosted

    No

  • EU data residency

    Yes
Authsignal screenshot
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

Feature Comparison

Authsignal has significantly broader feature support than Firebase Authentication, with 35 supported features versus 25. Authsignal fully covers extensibility, and both tools fully cover branding.

Passwordless Authentication
Authsignal

Email OTP and email magic links

Email OTP and email magic links

Firebase Authentication
Social Connections
Authsignal
Firebase Authentication
Passkeys
Authsignal
Firebase Authentication
Long Lived Sessions
Authsignal

Access and refresh token durations are configurable per app client

Access and refresh token durations are configurable per app client

Firebase Authentication
Session Management
Authsignal

The session management APIs let you issue, validate, refresh and revoke access tokens and refresh tokens

The session management APIs let you issue, validate, refresh and revoke access tokens and refresh tokens

Firebase Authentication
Multi-Language
Authsignal
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

Device Login (CLI & TV)
Authsignal
Firebase Authentication
Authsignal Firebase Authentication
Passwordless Authentication

Email OTP and email magic links

Email OTP and email magic links

Social Connections
Passkeys
Long Lived Sessions

Access and refresh token durations are configurable per app client

Access and refresh token durations are configurable per app client

Session Management

The session management APIs let you issue, validate, refresh and revoke access tokens and refresh tokens

The session management APIs let you issue, validate, refresh and revoke access tokens and refresh tokens

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)

Compliance Comparison

Both tools have similar compliance levels, with Authsignal supporting 7 certifications and regulatory frameworks and Firebase Authentication supporting 6.

ccpa iconCCPACompliant
Authsignal
Firebase Authentication
fido iconFIDOCertified
Authsignal
Firebase Authentication
gdpr iconGDPRCompliant
Authsignal
Firebase Authentication
hipaa iconHIPAACompliant
Authsignal
Firebase Authentication
iso-27001 iconISO 27001Certified
Authsignal
Firebase Authentication
iso-27017 iconISO 27017Certified
Authsignal
Firebase Authentication
iso-27018 iconISO 27018Certified
Authsignal
Firebase Authentication
pci-dss iconPCI DSSCompliant
Authsignal
Firebase Authentication
psd2 iconPSD2Compliant
Authsignal
Firebase Authentication
soc2 iconSOC2Compliant
Authsignal
Firebase Authentication
ComplianceAuthsignal Firebase Authentication
ccpa iconCCPACompliant
fido iconFIDOCertified
gdpr iconGDPRCompliant
hipaa iconHIPAACompliant
iso-27001 iconISO 27001Certified
iso-27017 iconISO 27017Certified
iso-27018 iconISO 27018Certified
pci-dss iconPCI DSSCompliant
psd2 iconPSD2Compliant
soc2 iconSOC2Compliant

Other tool comparisons to consider

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Authgear vs Firebase Authentication

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Authelia vs Firebase Authentication

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SSOJet vs Firebase Authentication

Favicon of MojoAuthFavicon of Firebase Authentication

MojoAuth vs Firebase Authentication

Favicon of SooauthFavicon of Firebase Authentication

Sooauth vs Firebase Authentication

Favicon of EngityFavicon of Firebase Authentication

Engity vs Firebase Authentication

Favicon of Amazon CognitoFavicon of Firebase Authentication

Amazon Cognito vs Firebase Authentication

Favicon of Entra External IDFavicon of Firebase Authentication

Entra External ID vs Firebase Authentication

Favicon of Firebase AuthenticationFavicon of Firebase Authentication

Firebase Authentication vs Firebase Authentication

Favicon of ClerkFavicon of Firebase Authentication

Clerk vs Firebase Authentication

Favicon of WorkOSFavicon of Firebase Authentication

WorkOS vs Firebase Authentication

Favicon of FronteggFavicon of Firebase Authentication

Frontegg vs Firebase Authentication

Favicon of FusionAuthFavicon of Firebase Authentication

FusionAuth vs Firebase Authentication

Favicon of Supabase AuthFavicon of Firebase Authentication

Supabase Auth vs Firebase Authentication

Favicon of Auth.jsFavicon of Firebase Authentication

Auth.js vs Firebase Authentication

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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

🇪🇺European Union🇺🇸United States🇬🇧United Kingdom🇨🇭Switzerland🇦🇺AustraliaAll regions

Compliance

SOC2GDPRISO 27001HIPAAPCI DSSAll compliance
Submit
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AuthsignalAuthsignal — Skip the migration. A drop-in layer for passkeys, adaptive MFA, and no-code orchestration on top of your existing auth stack.
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