Auth & Backend · side by side
Better Auth vs Amazon Cognito
Compare Better Auth, Amazon Cognito by active-user allowances, social login, MFA, SSO, organizations and audit logs.
Auth & Backend pricing calculator
These providers bill in different units. Each estimate uses its own workload; there is no same-volume price winner.
Better Auth
1
Amazon Cognito
50K
Better Auth
Custom / not listed
Custom / unlisted usage pricing · 1 servers
Amazon Cognito
$220 / mo
Lite · 50K monthly active users
Listed USD plan fees and tracked usage only. Unlisted compute, transfer, extras, taxes and contract terms are excluded. Custom or unsupported plan usage is not estimated.
Auth & Backend overview & pricing
| Auth & Backend | Better Auth | Amazon Cognito |
|---|---|---|
| Provider | Open source | Amazon Web Services |
| Billing unit | servers | monthly active users |
| Plan at selected usage | Custom / unlisted usage pricing | Lite |
| Monthly estimate | Custom / not listed | $220/mo |
| Workload | 1 servers | 50K monthly active users |
| Free access | Free, open source | 10K MAUs |
| Published plans | Starter, Pro, Enterprise | Lite, Essentials, Plus |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- Better Auth
- Open source
- Amazon Cognito
- Amazon Web Services
Billing unit
- Better Auth
- servers
- Amazon Cognito
- monthly active users
Plan at selected usage
- Better Auth
- Custom / unlisted usage pricing
- Amazon Cognito
- Lite
Monthly estimate
- Better Auth
- Custom / not listed
- Amazon Cognito
- $220/mo
Workload
- Better Auth
- 1 servers
- Amazon Cognito
- 50K monthly active users
Free access
- Better Auth
- Free, open source
- Amazon Cognito
- 10K MAUs
Published plans
- Better Auth
- Starter, Pro, Enterprise
- Amazon Cognito
- Lite, Essentials, Plus
Prices checked
- Better Auth
- 2026-10-08
- Amazon Cognito
- 2026-10-08
Auth & Backend monthly cost
Better Auth: Not pricedAmazon Cognito: $220
Different workloads, separate estimates
Check how each provider defines an active user and separates consumer identity from enterprise organizations. SAML, MFA, custom domains and audit logs can be gated behind higher plans. A backend platform can also charge separately for storage, functions and traffic.
Auth & Backend feature comparison
| Auth & Backend | Better Auth | Amazon Cognito |
|---|---|---|
| 40 million users or more | Not listed | |
| Sign-in with social, SAML, or OIDC providers | Not listed | |
| Sign-in with username and password | Not listed | |
| MFA with authenticator apps and SMS one-time codes | Not listed | |
| Custom runtime action with Lambda triggers | Not listed | |
| Customize managed login page with CSS | Not listed | |
| 99.9% service level agreement | Not listed | |
| Customize managed login page with visual editor | Not listed | |
| MFA with email one-time codes | Not listed | |
| Passwordless sign-in with one-time codes | Not listed | |
| Passkeys sign-in with biometrics and hardware keys | Not listed | |
| Prevent reuse of previous passwords | Not listed | |
| Customize access token scopes and claims at runtime | Not listed | |
| Support for refresh token rotation | Not listed | |
| Protect against malicious sign-in attempts | Not listed | |
| Log and analyze threat profiles and user activity | Not listed | |
| Risk-based adaptive authentication | Not listed | |
| Compromised credentials detection to protect against unsafe passwords | Not listed | |
| Export threat profiles and user activity | Not listed | |
| Multi-Region replication | Not listed | |
| Machine-to-machine authorization | Not listed | Add-on |
| Higher API RPS quota | Not listed | Add-on |
40 million users or more
- Better Auth
- Not listed
- Amazon Cognito
Sign-in with social, SAML, or OIDC providers
- Better Auth
- Not listed
- Amazon Cognito
Sign-in with username and password
- Better Auth
- Not listed
- Amazon Cognito
MFA with authenticator apps and SMS one-time codes
- Better Auth
- Not listed
- Amazon Cognito
Custom runtime action with Lambda triggers
- Better Auth
- Not listed
- Amazon Cognito
Customize managed login page with CSS
- Better Auth
- Not listed
- Amazon Cognito
99.9% service level agreement
- Better Auth
- Not listed
- Amazon Cognito
Customize managed login page with visual editor
- Better Auth
- Not listed
- Amazon Cognito
MFA with email one-time codes
- Better Auth
- Not listed
- Amazon Cognito
Passwordless sign-in with one-time codes
- Better Auth
- Not listed
- Amazon Cognito
Passkeys sign-in with biometrics and hardware keys
- Better Auth
- Not listed
- Amazon Cognito
Prevent reuse of previous passwords
- Better Auth
- Not listed
- Amazon Cognito
Customize access token scopes and claims at runtime
- Better Auth
- Not listed
- Amazon Cognito
Support for refresh token rotation
- Better Auth
- Not listed
- Amazon Cognito
Protect against malicious sign-in attempts
- Better Auth
- Not listed
- Amazon Cognito
Log and analyze threat profiles and user activity
- Better Auth
- Not listed
- Amazon Cognito
Risk-based adaptive authentication
- Better Auth
- Not listed
- Amazon Cognito
Compromised credentials detection to protect against unsafe passwords
- Better Auth
- Not listed
- Amazon Cognito
Export threat profiles and user activity
- Better Auth
- Not listed
- Amazon Cognito
Multi-Region replication
- Better Auth
- Not listed
- Amazon Cognito
Machine-to-machine authorization
- Better Auth
- Not listed
- Amazon Cognito
- Add-on
Higher API RPS quota
- Better Auth
- Not listed
- Amazon Cognito
- Add-on
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Which authentication & backend providers fit your needs?
Amazon Cognito features & plan notes
- AWS native
- Pay per MAU
- User pools
- 40 million users or more
- Sign-in with social, SAML, or OIDC providers
- Sign-in with username and password
- MFA with authenticator apps and SMS one-time codes
- Custom runtime action with Lambda triggers
- Customize managed login page with CSS
- 99.9% service level agreement
- Free tier of 10,000 MAUs per month (direct/social sign-in)
- Free tier of 50 MAUs per month for SAML/OIDC federation
- Available Advanced Security Features (ASF) add-on
How to compare authentication & backend providers
Check how each provider defines an active user and separates consumer identity from enterprise organizations. SAML, MFA, custom domains and audit logs can be gated behind higher plans. A backend platform can also charge separately for storage, functions and traffic.
Browse Auth & Backend pricing