Azure AD Free: Azure AD Free is a basic offering that comes with many Azure services at no additional cost. It includes features like user and group management, self-service password reset, and conditional access. It’s often included with other Azure services.

Azure AD Basic: Azure AD Basic is a standalone subscription that offers more advanced identity and access management capabilities. It includes features like group-based access management, company branding for sign-in pages, and self-service password reset with write-back. Azure AD Basic is typically priced on a per-user basis.

Azure AD Premium P1: Azure AD Premium P1 is designed for organizations that require advanced identity protection and access management features. It includes features like Multi-Factor Authentication (MFA), conditional access policies, and self-service group management. Azure AD Premium P1 is also priced per user.

Azure AD Premium P2: Azure AD Premium P2 is the most comprehensive Azure AD offering, providing enhanced security and compliance capabilities. It includes all the features of Azure AD Premium P1, as well as Azure Identity Protection, Privileged Identity Management (PIM), and more. Azure AD Premium P2 is typically priced on a per-user basis.

Azure AD B2C: Azure AD B2C (Business to Consumer) is designed for applications that require customer-facing identity and access management. It allows you to provide authentication and identity services to external users, such as customers and partners. Azure AD B2C has its pricing model based on the number of authentication transactions.

Azure AD Domain Services: Azure AD Domain Services extends Azure AD to provide traditional Active Directory services, including domain join, LDAP support, and Group Policy, in the Azure cloud. Pricing for Azure AD Domain Services is based on the number of objects in your directory.

Azure AD External Identities: Azure AD External Identities is designed for scenarios where you need to provide secure access to external users. It includes features like B2B collaboration and Azure AD B2B, which allows you to invite external users to access your applications and resources. Pricing for Azure AD External Identities is based on the number of external user accounts.

Azure AD entitlement management: This feature allows organizations to manage access to resources and apps more efficiently. Pricing for this feature is typically included as part of the Azure AD Premium P2 subscription.