AWS Cognito vs Firebase Authentication
On the evidence we track, AWS Cognito leads this comparison with a composite score of 81/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
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
LeaderManages authentication and access control through identity federation, social provider integration, passwordless authentication methods, and multi-factor authentication capabilities. Supports both hosted login interfaces and API-driven custom implementations.
Firebase Authentication
Firebase Authentication is a managed identity service supporting phone-based SMS authentication, SAML, and OpenID Connect. It offers a free tier with a 50K monthly active user limit or pay-as-you-go usage-based billing.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
AWS Cognito
LeaderFree tier with 10,000 MAU/month. Usage-based pricing from $0.015–$0.020 per MAU
- LiteFree
- User registration
- Password-based authentication
- Social identity federation
- SAML/OIDC provider support
- EssentialsFree
- All Lite features
- Managed Login interface
- Passwordless authentication
- Passkeys support
- Email/SMS OTP
- Plus$0.020 per MAU
- All Essentials features
- Risk-based adaptive authentication
- Compromised credentials detection
- Authentication event export
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
Leader- Apple
- Amazon
- SAML
- OIDC
- AWS Lambda
- AWS Amplify
- AWS AppSync
- AWS Verified Permissions
- AWS CloudTrail
- AWS CloudWatch
Firebase Authentication
- Google Cloud
- Cloud Run
- Cloud Build
- Cloud Logging
- Cloud Secrets Manager
- BigQuery
- Cloud SQL
AWS Cognito or Firebase Authentication: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.