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Amazon Cognito

AWS user sign-up, sign-in, and access control for web and mobile apps. · Amazon Web Services · Auth

Official pricing Docs Report outdated info

Overview

Unlike most AWS services, Cognito keeps a free amount that does not end after the first year.

Good fit

Use when your app already runs on AWS and you want auth inside the same account.

  • AWS apps

Not a fit

Avoid if you want a no-card free plan or simple setup.

  • no-card projects
  • SAML-heavy B2B on free
Quickstart · 3 steps
  1. Open the Cognito console.
  2. Create a user pool on the Essentials or Lite tier.
  3. Use the managed login page or the Amplify libraries.

Other free auth options

Supabase Auth
Supabase · Auth
50,000 monthly active users · Unlimited total users · Social OAuth logins and OAuth 2.1 server included
Billing risk: None
No card
Okta
Okta · Auth
Up to 10 active users (non-production only) · 100 authentications/minute rate limit · Org auto-expires after 90 consecutive days of inactivity
Billing risk: None
No card
Clerk
Clerk · Auth
50,000 monthly retained users per app · Unlimited applications · Up to 3 dashboard seats
Billing risk: None
No card
Ory
Ory · Auth
2 development environments · 0 production and 0 staging environments (dev/test only) · 1 team member
Billing risk: None
No card