[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間：2025-09-04 (世界標準時間)。"],[[["\u003cp\u003eIdentity Platform offers all the features of Firebase Authentication and includes additional capabilities such as multi-factor authentication, blocking functions, OIDC and SAML authentication, multi-tenancy support, and IAP integration.\u003c/p\u003e\n"],["\u003cp\u003eUpgrading from Firebase Authentication to Identity Platform does not require changes to your existing applications, and they will continue to function seamlessly with existing Firebase services.\u003c/p\u003e\n"],["\u003cp\u003eUnlike Firebase Authentication, Identity Platform provides features like TISAX compliance, BAA coverage, PCI-DSS scope, and an enterprise SLA with 99.95% uptime.\u003c/p\u003e\n"],["\u003cp\u003eIdentity Platform and Firebase Authentication both support the same set of client and Admin SDK's, providing users with equal compatibility across all available platforms.\u003c/p\u003e\n"],["\u003cp\u003eIdentity Platform and Firebase Authentication are paid services, however Firebase Authentication with Identity Platform is accessible without billing up to certain daily usage limits.\u003c/p\u003e\n"]]],[],null,["# Differences between Identity Platform and Firebase Authentication\n=================================================================\n\n[Identity Platform](/identity-platform) serves as the backend for Firebase\nAuthentication with Identity Platform and offers identical features. As an\nupgrade from Firebase Authentication, Identity Platform includes the following additional capabilities:\n\n- [Multi-factor authentication (MFA)](/identity-platform/docs/web/mfa)\n- [Blocking functions](/identity-platform/docs/blocking-functions)\n- [OpenID Connect (OIDC)](/identity-platform/docs/how-to-enable-application-for-oidc) and [Security Assertion Markup Language (SAML)](/identity-platform/docs/how-to-enable-application-for-saml) authentication.\n- [Multi-tenancy](/identity-platform/docs/multi-tenancy) support.\n- [Identity-Aware Proxy](/iap/docs/authenticate-users-external-identities) integration.\n- [BAA coverage](/security/compliance/hipaa/identity-platform).\n- A 99.95% uptime [SLA](/identity-platform/sla).\n\nYou do not need to change your apps when upgrading from\nFirebase Authentication to Identity Platform\n(or Firebase Authentication with Identity Platform)\nand your app continues to work with existing Firebase services.\n| **Note:** Firebase Authentication with Identity Platform and Identity Platform are [paid services](https://cloud.google.com/identity-platform/pricing).\n\nFirebase Authentication with Identity Platform is available without a billing instrument up to daily [limits](https://cloud.google.com/identity-platform/quotas).\n\nFeature comparison\n------------------\n\nThe following tables list differences between Identity Platform, Firebase Authentication with Identity Platform, and Firebase Authentication.\n\n### Authentication\n\n### SDKs\n\nIdentity Platform and Firebase Authentication both support a collection of\nClient and Admin SDKs. To preserve backwards-compatibility, the SDKs\noccasionally use Firebase branding and naming conventions.\n\n### Compliance and uptime\n\nWhat's next\n-----------\n\n- [Get started with Identity Platform](/identity-platform/docs/quickstart-cicp).\n- [Learn more about Firebase Authentication](https://firebase.google.com/docs/auth)."]]
