# Clerk vs FusionAuth

**Leader by vioscaleAI score:** Clerk

| Attribute | Clerk | FusionAuth |
|---|---|---|
| **vioscaleAI score** | 71.4 (71% (medium)) | 51.9 (71% (medium)) |
| content.faq | `[{"answer":"A unified platform providing authentication, user profile management, and billing integration through pre-built components and APIs, enabling developers to implement secure user systems without building them from scratch. It is indexed under Auth & Identity Software.","source":"https://clerk.com/components/pricing-table","question":"What is Clerk?","confidence":0.6},{"answer":"Clerk is a paid product; published pricing starts at $12 per user per month. There is no free tier. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://clerk.com/components/pricing-table","question":"How much does Clerk cost?","confidence":0.6},{"answer":"Clerk 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://clerk.com/components/pricing-table","question":"What platforms does Clerk support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Clerk, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://clerk.com/components/pricing-table","question":"Can Clerk be self-hosted?","confidence":0.6},{"answer":"We have confirmed 5 integrations for Clerk, including Google OAuth, GitHub OAuth, Google Workspace, Convex and MCP. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://clerk.com/components/pricing-table","question":"What does Clerk integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Clerk. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Clerk not holding them. Always confirm compliance directly before you rely on it.","source":"https://clerk.com/components/pricing-table","question":"What security certifications does Clerk have?","confidence":0.6}]` | `[{"answer":"FusionAuth is an identity and access management solution providing comprehensive authentication capabilities including social login, passwordless authentication, multi-factor authentication, and single sign-on. It supports self-hosted, cloud, and hybrid deployment models with transparent, predictable pricing and full API-first integration. It is indexed under Auth & Identity Software.","source":"https://fusionauth.io/pricing","question":"What is FusionAuth?","confidence":0.6},{"answer":"FusionAuth offers a free tier, so you can start without paying. Paid plans start at $162 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://fusionauth.io/pricing","question":"Is FusionAuth free?","confidence":0.6},{"answer":"We have confirmed browser-based access to FusionAuth. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://fusionauth.io/pricing","question":"What platforms does FusionAuth support?","confidence":0.6},{"answer":"Yes. FusionAuth can be deployed cloud / SaaS, on-premise, air-gapped and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://fusionauth.io/pricing","question":"Can FusionAuth be self-hosted?","confidence":0.6},{"answer":"We have confirmed 7 integrations for FusionAuth, including Google, Facebook, LDAP, Legacy database systems, Kafka, Custom APIs and Webhooks. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://fusionauth.io/pricing","question":"What does FusionAuth integrate with?","confidence":0.6},{"answer":"We have independently confirmed HIPAA and GDPR for FusionAuth. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as FusionAuth not holding them. Always confirm compliance directly before you rely on it.","source":"https://fusionauth.io/pricing","question":"What security certifications does FusionAuth have?","confidence":0.6},{"answer":"FusionAuth is available worldwide. Its primary market is the United States.","source":"https://fusionauth.io/pricing","question":"Where is FusionAuth available?","confidence":0.5}]` |
| deployment.options | `{"cloud":true}` | `{"self_hosted":true}` |
| description.long | Provides embeddable components and APIs for adding authentication, profile management, organizations, and subscription billing to applications. Supports enterprise features like SAML, SCIM provisioning, and multi-tenancy. | Provides authentication and authorization infrastructure that developers can deploy and integrate with their applications, supporting standard protocols like OAuth 2.0 and OpenID Connect. |
| features.capabilities | `{"mfa":true,"oidc":true,"rbac":true,"hosting":"cloud","saml_sso":true,"hosted_ui":"both","open_source":true,"passwordless":true,"social_login":true,"b2b_multi_tenant":true,"passkeys_webauthn":true,"scim_provisioning":true}` | `{"mfa":true,"oidc":true,"rbac":true,"hosting":"both","saml_sso":true,"hosted_ui":"both","open_source":true,"passwordless":true,"social_login":true,"b2b_multi_tenant":true,"passkeys_webauthn":true,"scim_provisioning":true}` |
| integrations.count | 7 | 4 |
| integrations.list | `[{"name":"Google OAuth"},{"name":"GitHub OAuth"},{"name":"Google Workspace"},{"name":"Convex"},{"name":"MCP"},{"name":"Stripe","native":true,"category":"payments","direction":"bidirectional"},{"name":"Okta Workforce","native":true,"category":"sso","direction":"inbound"},{"name":"Microsoft Entra ID","native":true,"category":"sso","direction":"inbound"},{"name":"Google","native":true,"category":"social_login","direction":"inbound"},{"name":"GitHub","native":true,"category":"social_login","direction":"inbound"},{"name":"Facebook","native":true,"category":"social_login","direction":"inbound"}]` | `[{"name":"Google"},{"name":"Facebook"},{"name":"LDAP"},{"name":"Legacy database systems"},{"name":"Kafka"},{"name":"Custom APIs"},{"name":"Webhooks"}]` |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"ios":true,"web":true}` | `{"cli":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"Free, up to 50K MRU","features":["Social authentication (Google, GitHub, Facebook)","Email/password authentication","Magic links","Organizations","Multifactor authentication","Basic billing features"],"description":"Up to 50,000 monthly retained users","contactSales":false,"includedLimits":{"mru":"50000/mo"}},{"free":false,"name":"Pro","summary":"$20/mo billed annually (includes 50K MRU + 1 enterprise connection)","features":["50K monthly retained users included","1 enterprise SSO connection included","Custom session lifetime","Clerk branding removal","Directory sync","Team dashboard","API keys","Events stream","Premium support SLA","99.99% Uptime SLA"],"components":[{"kind":"fixed","amount":20,"period":"month","currency":"USD"}],"description":"For growing applications","contactSales":false,"includedLimits":{"mru":"50000/mo","enterprise_sso_connections":"1"}}],"addOns":[{"name":"Additional Monthly Retained Users","components":[{"per":{"qty":1,"unit":"mru"},"kind":"metered","amount":0.02,"currency":"USD"}]},{"name":"Additional Enterprise SSO Connection","components":[{"kind":"fixed","amount":75,"period":"month","currency":"USD"}]},{"name":"Directory Sync","components":[{"kind":"fixed","amount":75,"period":"month","currency":"USD"}]},{"name":"MFA Connection","components":[{"kind":"fixed","amount":10,"period":"month","currency":"USD"}]},{"name":"SMS Authentication","components":[{"per":{"qty":1,"unit":"sms"},"kind":"metered","amount":0.01,"currency":"USD"}]},{"name":"Clerk Billing with Stripe","components":[{"of":"transaction","kind":"percentage","plus":{"amount":0.3,"currency":"USD"},"rate":2.9},{"of":"billing_volume","kind":"percentage","rate":0.7}]}],"summary":"Free up to 50K MRU. Pro from $20/mo billed annually (includes 50K MRU + 1 enterprise connection). Add-ons available.","currency":"USD","freeTier":true,"sourceUrl":"https://clerk.com/pricing","retrievedAt":"2026-10-05T12:35:42.526Z","startingPrice":{"amount":20,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"hybrid","plans":[{"free":true,"name":"Community","summary":"Free","features":["Core authentication standards and features","Community support via forums, Slack, and GitHub","Self-hosted deployment"],"description":"Free, unlimited self-hosted deployment with core authentication features","contactSales":false},{"free":false,"name":"Starter","summary":"$162/month billed annually","features":["Premium authentication features","Breached Password Detection","Machine-to-Machine authentication","Advanced MFA","Application theming","Basic hosting"],"commitment":"annual","components":[{"kind":"fixed","amount":162,"period":"month","currency":"USD"}],"description":"Hosted plan adding premium features including advanced MFA and application theming","contactSales":false},{"free":false,"name":"Essentials","features":["Advanced connectivity, MFA, and security features","Custom OAuth scopes","Email support (24-48 hour response time)","Business hosting"],"description":"Advanced features for business applications with email support and engineering assistance","contactSales":false},{"free":false,"name":"Enterprise","features":["Advanced threat detection","SSO Tenant Manager","24/7 phone and email support","Private Slack channel","Solution architect guidance","Advanced governance","High availability hosting"],"description":"Custom deployment for critical applications with advanced security and round-the-clock support","contactSales":true}],"summary":"From $162/month billed annually. Free tier available for self-hosting.","currency":"USD","freeTier":true,"sourceUrl":"https://fusionauth.io/pricing","retrievedAt":"2026-09-03T22:53:29.374Z","startingPrice":{"amount":162,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | mid | high |
| pricing.starting_price | `{"amount":20,"currency":"USD"}` | `{"amount":162,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| reliability.sla_pct | 99.99 | 99.99 |
| reliability.status_page | yes | yes |
| security.certifications | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"}]` | `[{"name":"HIPAA BAA","status":"active"},{"name":"FIPS Compliance","status":"active"}]` |
| security.disclosure_policy | yes | yes |
| security.gdpr | yes | yes |
| security.hipaa | yes | yes |
| security.soc2 | yes | - |

## Capabilities (Auth & Identity Software)

| Capability | Clerk | FusionAuth |
|---|:--:|:--:|
| **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: vioscaleAI. Generated 2026-10-16T20:13:31.939Z. "-" = undocumented, not absent.*