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Head-to-head · OAuth Server Software

OpenIddict vs Amazon Cognito

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score OpenIddict #5 in OAuth Server Software 8.9/10 Free plan Free plan✓ 5 of 5 features Visit OpenIddict
Amazon Cognito #7 in OAuth Server Software 8.7/10 Free plan Free plan✓ 0 of 5 features Visit Amazon Cognito

OpenIddict leads on 0 checks, Amazon Cognito on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOpenIddict · 8.9/10
  • Free planboth
  • Most featuresOpenIddict · 5 of 5

OpenIddict scores higher on our rubric for oauth server software: 8.9 against 8.7 out of 10; our editors rank them #5 and #7.

OpenIddict is the better fit for .NET OAuth and OIDC implementations. Amazon Cognito is the better fit for AWS-centric application authentication.

  • OpenIddict fits best

    .NET OAuth and OIDC implementations

  • Amazon Cognito fits best

    AWS-centric application authentication

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Side by side

Feature OpenIddict 8.9/10 Visit ↗ Amazon Cognito 8.7/10 Visit ↗
At a glance
Editor score 8.9 8.7
Ranking #5 in OAuth Server Software #7 in OAuth Server Software
Best for .NET OAuth and OIDC implementations AWS-centric application authentication
Pricing model Free Free plan + paid
Starting price Free plan $0.0055/user/mo
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Cloud, Mobile
Platforms Web, Windows, macOS, Linux, iOS, Android Web, iOS, Android
Integrations 100+ integrations 13 integrations
Features OpenIddict 5/5 · Amazon Cognito 0/5
OpenID Connect ✓ (best) Not checked yet
SAML support ✓ (best) Not checked yet
Self-hosting ✓ (best) Not checked yet
Token introspection ✓ (best) Not checked yet
Machine-to-machine auth ✓ (best) Not checked yet
Specs
Deployment model Self_hosted Not checked yet
Our review
Pros
  • Separate client, server, and token-validation stacks
  • Supports ASP.NET, ASP.NET Core, desktop, and mobile applications
  • Includes introspection, revocation, mTLS, and database integrations
  • OAuth 2.0, OIDC, SAML federation, and social sign-in
  • Passwordless access, MFA, and adaptive authentication options
  • Deep integrations with AWS services and Lambda triggers
Cons
  • Requires application code instead of providing a turnkey hosted service
  • SAML is handled through a commercial component, not the core feature set
  • Dedicated support depends on a custom support contract
  • Not designed as a standalone workforce directory
  • No verified directory synchronization or lifecycle provisioning
  • Plus has no free tier, and pricing scales by monthly active users
Our verdict

OpenIddict is a free, open-source .NET framework for building OAuth 2.0 and OpenID Connect clients, authorization servers, and token-validation services. Its independent client, server, and validation stacks can be used together or…

Read the review →

Amazon Cognito provides managed user directories, authentication, authorization, identity federation, and temporary AWS credentials for web and mobile applications. It is aimed at developers building customer-facing applications across…

Read the review →
  1. OpenIddictOAuth Server Software 8.9Free plan
  2. Amazon CognitoOAuth Server Software 8.7Free plan

Strengths and trade-offs

  • OpenIddict — where it wins

    • Separate client, server, and token-validation stacks
    • Supports ASP.NET, ASP.NET Core, desktop, and mobile applications
    • Includes introspection, revocation, mTLS, and database integrations

    Where it doesn't

    • Requires application code instead of providing a turnkey hosted service
    • SAML is handled through a commercial component, not the core feature set
    • Dedicated support depends on a custom support contract

  • Amazon Cognito — where it wins

    • OAuth 2.0, OIDC, SAML federation, and social sign-in
    • Passwordless access, MFA, and adaptive authentication options
    • Deep integrations with AWS services and Lambda triggers

    Where it doesn't

    • Not designed as a standalone workforce directory
    • No verified directory synchronization or lifecycle provisioning
    • Plus has no free tier, and pricing scales by monthly active users

More comparisons

All OAuth server software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update