# Firebase Authentication vs Kinde

| Attribute | Firebase Authentication | Kinde |
|---|---|---|
| **Vioscale score** | 65.5 (26% (low)) | 68.8 (70% (medium)) |
| deployment.options | `{"cloud":true}` | `{"cloud":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. | A developer-centric platform that provides authentication (passwordless, social login, SSO, MFA), subscription billing integration, and feature flags to help SaaS teams build and monetize products with security built in. |
| features.capabilities | `{"oidc":true,"hosting":"cloud","saml_sso":true,"hosted_ui":"both","open_source":false,"passwordless":true,"social_login":true}` | `{"mfa":true,"saml_sso":true,"passwordless":true,"social_login":true}` |
| integrations.count | - | 5 |
| integrations.list | - | `[{"name":"Stripe"},{"name":"TrustPath.io"},{"name":"Entra ID"},{"name":"SAML"},{"name":"GitHub Actions"}]` |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"ios":true,"mac":true,"web":true,"android":true}` | `{"ios":true,"web":true,"android":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":false,"name":"Starter","summary":"$25/month","features":["1 True Clone™","10 virtual clones","Unlimited email support","Patented no-impersonation technology™","Free feature flags"],"commitment":"monthly","components":[{"kind":"fixed","amount":25,"period":"month","currency":"USD"}],"contactSales":false}],"summary":"From $25/month. Free tier available.","currency":"USD","freeTier":true,"sourceUrl":"https://kinde.com/learn/billing/billing-for-ai/ai-token-pricing-optimization-dynamic-cost-management-for-llm-powered-saas/","retrievedAt":"2026-08-14T08:30:15.037Z","startingPrice":{"amount":25,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | mid |
| pricing.transparent | yes | yes |
| reliability.status_page | yes | yes |
| security.disclosure_policy | - | yes |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.soc2 | - | yes |

## Capabilities (Auth & Identity Software)

| Capability | Firebase Authentication | Kinde |
|---|:--:|:--:|
| **Deployment** |  |  |
| Hosting | Cloud only | - |
| **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 | - |
| **Access** |  |  |
| RBAC | - | - |
| **Licensing** |  |  |
| Self-hostable OSS core | ✗ | - |

*Source: Vioscale. Generated 2026-09-01T14:39:12.406Z. "-" = undocumented, not absent.*