AWS Cognito vs Firebase Authentication
No leader: the top candidate Firebase Authentication has only 0.26 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for auth & identity software. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
AWS Cognito
AWS Cognito provides secure, scalable user authentication and access management that enables applications to support user sign-up, sign-in, and multi-factor authentication. It offers both a pre-built login interface and APIs for custom implementations, supports passwordless authentication via passkeys and SMS/email OTP, and federates with social and enterprise identity providers.
Firebase Authentication
A backend authentication service offering SDKs and UI components to integrate user sign-in across web and mobile platforms. Supports email, password, phone, and social login methods, with customizable UI options and pre-built components.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
AWS Cognito
Usage-based pricing with no minimum fees or upfront commitments. Three tiers available (Lite, Essentials, Plus).
- Lite-
- Essentials-
- Plus-
Firebase Authentication
Free Spark plan with 50K monthly active users. Blaze plan uses pay-as-you-go pricing.
- SparkFree
- Blaze-
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
AWS Cognito
- Apple
- Amazon
- SAML
- OIDC
- AWS Lambda
- AWS Amplify
- AWS AppSync
- AWS Verified Permissions
Firebase Authentication
Not documented yet.
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.