Auth & Backend · side by side
Amazon Cognito vs Lucia
Compare Amazon Cognito, Lucia 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.
Amazon Cognito
50K
Lucia
1
Amazon Cognito
$220 / mo
Lite · 50K monthly active users
Lucia
Custom / not listed
Custom / unlisted usage pricing · 1 servers
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 | Amazon Cognito | Lucia |
|---|---|---|
| Provider | Amazon Web Services | Open source |
| Billing unit | monthly active users | servers |
| Plan at selected usage | Lite | Custom / unlisted usage pricing |
| Monthly estimate | $220/mo | Custom / not listed |
| Workload | 50K monthly active users | 1 servers |
| Free access | 10K MAUs | Free, open source |
| Published plans | Lite, Essentials, Plus | Not listed |
| Prices checked | 2026-10-08 | Not listed |
Provider
- Amazon Cognito
- Amazon Web Services
- Lucia
- Open source
Billing unit
- Amazon Cognito
- monthly active users
- Lucia
- servers
Plan at selected usage
- Amazon Cognito
- Lite
- Lucia
- Custom / unlisted usage pricing
Monthly estimate
- Amazon Cognito
- $220/mo
- Lucia
- Custom / not listed
Workload
- Amazon Cognito
- 50K monthly active users
- Lucia
- 1 servers
Free access
- Amazon Cognito
- 10K MAUs
- Lucia
- Free, open source
Published plans
- Amazon Cognito
- Lite, Essentials, Plus
- Lucia
- Not listed
Prices checked
- Amazon Cognito
- 2026-10-08
- Lucia
- Not listed
Auth & Backend monthly cost
Amazon Cognito: $220Lucia: Not priced
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 | Amazon Cognito | Lucia |
|---|---|---|
| 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 | Add-on | Not listed |
| Higher API RPS quota | Add-on | Not listed |
40 million users or more
- Amazon Cognito
- Lucia
- Not listed
Sign-in with social, SAML, or OIDC providers
- Amazon Cognito
- Lucia
- Not listed
Sign-in with username and password
- Amazon Cognito
- Lucia
- Not listed
MFA with authenticator apps and SMS one-time codes
- Amazon Cognito
- Lucia
- Not listed
Custom runtime action with Lambda triggers
- Amazon Cognito
- Lucia
- Not listed
Customize managed login page with CSS
- Amazon Cognito
- Lucia
- Not listed
99.9% service level agreement
- Amazon Cognito
- Lucia
- Not listed
Customize managed login page with visual editor
- Amazon Cognito
- Lucia
- Not listed
MFA with email one-time codes
- Amazon Cognito
- Lucia
- Not listed
Passwordless sign-in with one-time codes
- Amazon Cognito
- Lucia
- Not listed
Passkeys sign-in with biometrics and hardware keys
- Amazon Cognito
- Lucia
- Not listed
Prevent reuse of previous passwords
- Amazon Cognito
- Lucia
- Not listed
Customize access token scopes and claims at runtime
- Amazon Cognito
- Lucia
- Not listed
Support for refresh token rotation
- Amazon Cognito
- Lucia
- Not listed
Protect against malicious sign-in attempts
- Amazon Cognito
- Lucia
- Not listed
Log and analyze threat profiles and user activity
- Amazon Cognito
- Lucia
- Not listed
Risk-based adaptive authentication
- Amazon Cognito
- Lucia
- Not listed
Compromised credentials detection to protect against unsafe passwords
- Amazon Cognito
- Lucia
- Not listed
Export threat profiles and user activity
- Amazon Cognito
- Lucia
- Not listed
Multi-Region replication
- Amazon Cognito
- Lucia
- Not listed
Machine-to-machine authorization
- Amazon Cognito
- Add-on
- Lucia
- Not listed
Higher API RPS quota
- Amazon Cognito
- Add-on
- Lucia
- Not listed
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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