Auth0 vs Microsoft Entra ID

Auth0 and Microsoft Entra ID are both developer identity / ciam solutions. Auth0 developer-first identity platform for customer authentication and CIAM, while Microsoft Entra ID microsoft's cloud identity platform with deep M365 and Azure integration. The best choice depends on your organization's size, technical requirements, and budget.

Updated Feb 2026
How we compare:This comparison is based on official documentation, public pricing, community discussions, and aggregated user feedback, not hands-on testing by our team. We organize what real users and practitioners are saying across the web.

The Bottom Line

Choose Auth0 if best developer experience in the identity industry with comprehensive SDKs is your priority and development teams building customer-facing applications that need flexible, API-first authentication with extensive SDK support and customizable login experiences. Choose Microsoft Entra ID if included in Microsoft 365 licensing — significant cost savings for M365 shops matters most and organizations heavily invested in Microsoft 365 and Azure that want unified identity management across their Microsoft ecosystem.

Choose Auth0 if:

  • You value best developer experience in the identity industry with comprehensive SDKs
  • You value generous free tier — 25,000 monthly active users at no cost
  • You value actions extensibility enables custom logic without managing infrastructure
  • You want to avoid best experience limited to Microsoft ecosystem applications
  • You want to avoid non-Microsoft application integrations can be less polished than Okta

Choose Microsoft Entra ID if:

  • You value included in Microsoft 365 licensing — significant cost savings for M365 shops
  • You value deep native integration with Azure, M365, and Defender ecosystem
  • You value conditional access policies are among the most powerful in the industry
  • You want to avoid pricing escalates rapidly as monthly active users grow beyond free tier
  • You want to avoid now owned by Okta — long-term product independence uncertain

Feature Comparison

FeatureAuth0Microsoft Entra ID
PricingFree (up to 25,000 MAU) / Essential from $35/month / Professional from $240/month / Enterprise customFree tier included with M365 / P1 from $6/user/month / P2 from $9/user/month
Pricing ModelMonthly active user (MAU) based pricingPer-user monthly subscription (tiered)
Open SourceNoNo
DeploymentCloudCloud
Best ForDevelopment teams building customer-facing applications that need flexible, API-first authentication with extensive SDK support and customizable login experiencesOrganizations heavily invested in Microsoft 365 and Azure that want unified identity management across their Microsoft ecosystem
Universal Login with customizable aut...SupportedNot available
Social login with 30+ identity provid...SupportedNot available
Actions — serverless extensibility fo...SupportedNot available

Sources

Related

Auth0 AlternativesMicrosoft Entra ID AlternativesAuth0 OverviewMicrosoft Entra ID Overview