Ory vs Firebase Authentication

Learn how Ory 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.

Ory

Modern API-first identity stack for secure apps

Visit Ory Read more

Details:

B2B
Yes
B2C
Yes
Open Source
Yes
Self-hosted
Yes

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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

Ory has significantly broader feature support than Firebase Authentication, with 39 supported features versus 22. Ory fully covers authentication and machine to machine (m2m) authentication and more, and both tools fully cover branding.

Passwordless Authentication

Ory

Firebase Authentication

Social Connections

Ory

Firebase Authentication

Passkeys

Ory

Firebase Authentication

Long Lived Sessions

Ory

Session lifetime can be configured (e.g., 30 days / 720h) via the Ory Console, allowing longer inactivity timeouts for user sessions

Firebase Authentication

Session Management

Ory

Ory provides self‑service session management APIs to list and revoke sessions, giving users and admins control over active sessions.

Firebase Authentication

Multi-Language

Ory

The account experience supports multiple languages (English, Spanish, German, French, etc.) and selects the language via the Accept‑Language header

Firebase Authentication

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

	Ory	Firebase Authentication
Passwordless Authentication
Social Connections
Passkeys
Long Lived Sessions	Session lifetime can be configured (e.g., 30 days / 720h) via the Ory Console, allowing longer inactivity timeouts for user sessions
Session Management	Ory provides self‑service session management APIs to list and revoke sessions, giving users and admins control over active sessions.
Multi-Language	The account experience supports multiple languages (English, Spanish, German, French, etc.) and selects the language via the Accept‑Language header	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 Ory, supporting 6 certifications and regulatory frameworks compared to 3 for Ory.