Clerk vs Firebase Authentication

Learn how Clerk 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.

Clerk

Complete authentication & user management for modern apps

Visit Clerk Read more

Details:

B2B
Yes
B2C
Yes
Open Source
No
Self-hosted
No

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

Clerk offers broader feature coverage than Firebase Authentication, supporting 31 features compared to 22. Clerk fully covers authentication and extensibility and more, and both tools fully cover branding.

Passwordless Authentication

Clerk

Firebase Authentication

Social Connections

Clerk

Firebase Authentication

Passkeys

Clerk

Firebase Authentication

Long Lived Sessions

Clerk

Firebase Authentication

Session Management

Clerk

Firebase Authentication

Multi-Language

Clerk

Firebase Authentication

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

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