ZITADEL vs Firebase Authentication

Learn how ZITADEL 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.

ZITADEL

Complete identity infrastructure for modern applications

Visit ZITADEL Read more

Details:

B2B
Yes
B2C
Yes
Open Source
Yes
Self-hosted
Yes

View Repository

Firebase Authentication

Secure multi-platform authentication in under 10 lines

Visit Firebase Authentication Read more

Details:

B2B
Yes
B2C
Yes
Open Source
No
Self-hosted
No

Feature Comparison

ZITADEL has significantly broader feature support than Firebase Authentication, with 35 supported features versus 22. ZITADEL fully covers machine to machine (m2m) authentication and user management and more, and both tools fully cover branding.

Passwordless Authentication

ZITADEL

Firebase Authentication

Social Connections

ZITADEL

Firebase Authentication

Passkeys

ZITADEL

Firebase Authentication

Long Lived Sessions

ZITADEL

Firebase Authentication

Session Management

ZITADEL

Firebase Authentication

Multi-Language

ZITADEL

Firebase Authentication

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

	ZITADEL	Firebase Authentication
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

Compliance Comparison

Firebase Authentication offers broader coverage than ZITADEL, supporting 6 certifications and regulatory frameworks compared to 4 for ZITADEL.