# Firebase Authentication vs Kinde

**Leader by vioscaleAI score:** Kinde

| Attribute | Firebase Authentication | Kinde |
|---|---|---|
| **vioscaleAI score** | 54.9 (33% (low)) | 69.6 (68% (medium)) |
| content.faq | `[{"answer":"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. It is indexed under Auth & Identity Software.","source":"https://firebase.google.com/pricing","question":"What is Firebase Authentication?","confidence":0.6},{"answer":"Firebase Authentication offers a free tier, so you can start without paying. Paid plans are also available: Spark and Blaze. Pricing changes often, so verify at source before relying on it.","source":"https://firebase.google.com/pricing","question":"Is Firebase Authentication free?","confidence":0.6},{"answer":"Firebase Authentication supports the web, iOS, Android and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://firebase.google.com/pricing","question":"What platforms does Firebase Authentication support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Firebase Authentication, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://firebase.google.com/pricing","question":"Can Firebase Authentication be self-hosted?","confidence":0.6},{"answer":"We have confirmed 7 integrations for Firebase Authentication, including Google Cloud, Cloud Run, Cloud Build, Cloud Logging, Cloud Secrets Manager, BigQuery and Cloud SQL. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://firebase.google.com/pricing","question":"What does Firebase Authentication integrate with?","confidence":0.6},{"answer":"Firebase Authentication is available worldwide. Its primary market is the United States.","source":"https://firebase.google.com/pricing","question":"Where is Firebase Authentication available?","confidence":0.5}]` | `[{"answer":"An authentication service that provides multiple SDKs across different platforms. Comparable to Auth0 but includes additional billing and feature flagging functionality. It is indexed under Auth & Identity Software.","source":"https://www.kinde.com","question":"What is Kinde?","confidence":0.6},{"answer":"Kinde offers a free tier, so you can start without paying. Paid plans start at $25 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://kinde.com/learn/billing/billing-for-ai/ai-token-pricing-optimization-dynamic-cost-management-for-llm-powered-saas/","question":"Is Kinde free?","confidence":0.6},{"answer":"Kinde supports the web, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://kinde.com/learn/billing/billing-for-ai/ai-token-pricing-optimization-dynamic-cost-management-for-llm-powered-saas/","question":"What platforms does Kinde support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Kinde, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://kinde.com/learn/billing/billing-for-ai/ai-token-pricing-optimization-dynamic-cost-management-for-llm-powered-saas/","question":"Can Kinde be self-hosted?","confidence":0.6},{"answer":"We have confirmed 5 integrations for Kinde, including Stripe, TrustPath.io, Entra ID, SAML and GitHub Actions. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://kinde.com/learn/billing/billing-for-ai/ai-token-pricing-optimization-dynamic-cost-management-for-llm-powered-saas/","question":"What does Kinde integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for Kinde. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Kinde not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.kinde.com","question":"What security certifications does Kinde have?","confidence":0.48},{"answer":"Kinde is available worldwide. Its primary market is the United States.","source":"https://kinde.com/learn/billing/billing-for-ai/ai-token-pricing-optimization-dynamic-cost-management-for-llm-powered-saas/","question":"Where is Kinde available?","confidence":0.5}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | 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. | A modern authentication platform designed to improve application security and user conversion while providing cost-effective and rapid deployment. |
| 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,"open_source":true,"passwordless":true,"social_login":true}` |
| integrations.count | 7 | 5 |
| integrations.list | `[{"name":"Google Cloud","native":true},{"name":"Cloud Run","native":true},{"name":"Cloud Build","native":true},{"name":"Cloud Logging","native":true},{"name":"Cloud Secrets Manager","native":true},{"name":"BigQuery","native":true},{"name":"Cloud SQL","native":true}]` | `[{"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 | `{"ios":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: vioscaleAI. Generated 2026-10-16T20:07:51.382Z. "-" = undocumented, not absent.*