Who is AWS Cognito best for?

Best use cases for AWS Cognito

• AWS-native applications that want authentication as a managed AWS service — billing within AWS, IAM-based access to other AWS resources via Cognito identity pools, and no third-party vendor dependency.
• Applications with high MAU volume where Cognito's per-MAU pricing (first 50K free, then fractions of a cent per MAU) is more cost-effective than flat-fee SaaS auth platforms at scale.
• Teams that need custom authentication flows (multi-step challenges, legacy system migration, external identity verification) via Lambda triggers and want full programmatic control over the auth logic.

Who should avoid AWS Cognito?

• You need enterprise-ready CIAM with minimal build effort
• You need SCIM provisioning and polished B2B admin features quickly
• You need extensive customization without building blocks overhead
• You want best-in-class login UX out of the box
• You need identity governance features for workforce identity

Upgrade triggers for AWS Cognito

• Need enterprise SSO for customers (SAML/OIDC with complex requirements)
• Need multi-tenant admin controls and audit features
• Need advanced policies and security workflows beyond defaults
• Need user migration at scale from an existing identity provider
• Need higher observability and operational support guarantees

Next steps