# Firebase Authentication vs PropelAuth

| Attribute | Firebase Authentication | PropelAuth |
|---|---|---|
| **Vioscale score** | 65.5 (26% (low)) | 59.2 (73% (medium)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | 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. | An authentication provider that helps B2B SaaS applications implement identity management features as they grow, from basic signup and login to enterprise-grade SSO, SCIM provisioning, and access control. |
| features.capabilities | `{"oidc":true,"hosting":"cloud","saml_sso":true,"hosted_ui":"both","open_source":false,"passwordless":true,"social_login":true}` | `{"mfa":true,"oidc":true,"rbac":true,"hosting":"both","saml_sso":true,"hosted_ui":"both","passwordless":true,"social_login":true,"b2b_multi_tenant":true,"scim_provisioning":true}` |
| integrations.count | - | 5 |
| integrations.list | - | `[{"name":"Slack"},{"name":"MCP Server"},{"name":"GitHub"},{"name":"AWS"},{"name":"Notion"}]` |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"ios":true,"mac":true,"web":true,"android":true}` | `{"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Spark","description":"Free tier with usage limits","contactSales":false,"includedLimits":{"saml_oidc_users":"50","monthly_active_users":"50K"}},{"free":false,"name":"Blaze","description":"Pay-as-you-go with Spark free tier limits included, then usage-based billing","contactSales":false,"includedLimits":{"saml_oidc_users":"50","monthly_active_users":"50K"}}],"summary":"Free Spark plan with 50K monthly active users. Blaze plan uses pay-as-you-go pricing.","currency":"USD","freeTier":true,"sourceUrl":"https://firebase.google.com/pricing","retrievedAt":"2026-08-14T15:28:10.980Z","billingPeriods":["month"]}` | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"$0/month, 10,000 MAUs","features":["Unlimited organizations","Unlimited waitlist users","Custom domain","2FA & RBAC","Customizable UIs","Organization management","Basic user properties","Single role mapping","Email support"],"commitment":"monthly","components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"10,000 monthly active users included","contactSales":false,"includedLimits":{"maus":"10,000","organizations":"unlimited","waitlist_users":"unlimited"}},{"free":false,"name":"Growth","summary":"$150/month + $0.05 per additional MAU + usage-based validation costs","features":["Everything in Free","User impersonation","Unlimited SAML/enterprise SSO connections","Separate staging environment","API keys and machine-to-machine auth","MCP authentication","SMS 2FA/MFA","Custom session duration","Allowlist/blocklist","Prioritized email support","User management dashboard","User insights with basic metrics","Audit logs (60-day retention)","Unlimited API key validations"],"commitment":"monthly","components":[{"kind":"fixed","amount":150,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"mau"},"kind":"metered","amount":0.05,"currency":"USD"},{"per":{"qty":1,"unit":"validation"},"kind":"metered","amount":0.0001,"currency":"USD"}],"description":"For growing teams needing enterprise features","contactSales":false,"includedLimits":{"maus":"starts included, then $0.05 per additional user","api_key_validations":"1,500,000/month"}},{"free":false,"name":"Growth Plus","summary":"$500/month + $0.05 per additional MAU + usage-based add-on costs","features":["Everything in Growth","SCIM/Directory sync","Advanced organization controls","Advanced security options","Custom roles","Internal/hidden roles","Unlimited role mappings","Per-organization session duration","Configurable password complexity","2FA/MFA enforcement","Charts & reports for user analytics","90-day audit log retention","SOC2 Type 2 report","Remove PropelAuth branding","BYO email provider","Separate test environment"],"commitment":"monthly","components":[{"kind":"fixed","amount":500,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"mau"},"kind":"metered","amount":0.05,"currency":"USD"},{"per":{"qty":1,"unit":"scim_connection"},"kind":"metered","amount":100,"currency":"USD"},{"per":{"qty":1,"unit":"audit_log_export"},"kind":"metered","amount":50,"currency":"USD"}],"description":"For enterprises with advanced requirements","contactSales":false,"includedLimits":{"maus":"starts included, then $0.05 per additional user","scim_connections":"per connection pricing","api_key_validations":"1,500,000/month"}}],"addOns":[{"name":"Advanced API Keys Add-On","components":[{"per":{"qty":1,"unit":"validation"},"kind":"metered","amount":0.0001,"currency":"USD"}]},{"name":"Data Explorer Add-On"}],"summary":"Free tier with 10,000 MAUs. Paid plans from $150/month. Additional MAUs at $0.05 each. Usage-based pricing for API validations, SCIM connections, and exports.","currency":"USD","freeTier":true,"sourceUrl":"https://www.propelauth.com/pricing","retrievedAt":"2026-08-14T08:32:17.483Z","startingPrice":{"amount":0.0001,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | low |
| pricing.transparent | yes | yes |
| reliability.status_page | yes | yes |
| security.disclosure_policy | - | yes |
| security.gdpr | - | yes |
| security.soc2 | - | yes |

## Capabilities (Auth & Identity Software)

| Capability | Firebase Authentication | PropelAuth |
|---|:--:|:--:|
| **Deployment** |  |  |
| Hosting | Cloud only | Cloud + self-hosted |
| **Methods** |  |  |
| Social login | ✓ | ✓ |
| Passwordless | ✓ | ✓ |
| Passkeys / WebAuthn | - | - |
| Multi-factor auth | - | ✓ |
| **Enterprise** |  |  |
| SAML SSO | ✓ | ✓ |
| SCIM provisioning | - | ✓ |
| B2B / multi-tenancy | - | ✓ |
| **Standards** |  |  |
| OpenID Connect provider | ✓ | ✓ |
| **Delivery** |  |  |
| Hosted UI | Both | Both |
| **Access** |  |  |
| RBAC | - | ✓ |
| **Licensing** |  |  |
| Self-hostable OSS core | ✗ | - |

*Source: Vioscale. Generated 2026-09-01T14:37:18.829Z. "-" = undocumented, not absent.*