Differences between Identity Platform and Firebase Authentication

Identity Platform and Firebase Authentication offer similar functionality. Both allow you to easily sign users in to your apps by providing backend services, SDKs, and UI libraries. However, Identity Platform offers additional capabilities designed for enterprise customers, such as:

Identity Platform is fully compatible with both Google Cloud and Firebase products. If you are currently using Firebase Authentication and you upgrade to Identity Platform, your app will continue to work with existing Firebase services.

Feature comparison

The following tables list differences between Identity Platform and Firebase Authentication.

Authentication

Feature Identity Platform Firebase Authentication
Sign in with email Yes Yes
Sign in with OAuth Yes Yes
Sign in with phone Yes Yes
Custom authentication Yes Yes
Sign in with OIDC Yes No
Sign in with SAML Yes No
Multi-tenancy Yes No
IAP integration Yes No

SDKs

Identity Platform and Firebase Authentication both support a collection of Client and Admin SDKs. To preserve backwards-compatibility, the SDKs occasionally use Firebase branding and naming conventions.

Feature Identity Platform Firebase Authentication
Web SDK Yes Yes
iOS SDK Yes Yes
Android SDK Yes Yes
Admin SDK Yes Yes

Compliance and uptime

Feature Identity Platform Firebase Authentication
ISO 27001 Yes Yes
SSAE 18 SOC1 Yes Yes
SSAE 18 SOC2 Yes Yes
SSAE 18 SOC3 Yes Yes
TISAX Yes No
BAA coverage Yes No
PCI-DSS in scope Yes No
Enterprise SLA 99.95% uptime No

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