StrongKey FIDO Server vs WorkOS
StrongKey FIDO Server
strongkey.comWorkOS
workos.comSide by side
| Figure | StrongKey FIDO Server | WorkOS |
|---|---|---|
| Price from | Free | $99/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | Yes | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 3 | 10 |
| Spec score · Biometric Authentication Software | 8.3 (#11) | 8.5 (#7) |
| Company size | LinkedIn lists StrongKey as a privately held computer and network security company with 11–50 employees. | LinkedIn lists WorkOS as a privately held software-development company with 51–200 employees. |
| Documentation depth | The documentation site contains product manuals, versioned release notes, installation instructions, administration material and developer tutorials. | Documentation includes product guides, integration guides, migration material, API objects, webhooks, errors, SDK references, tools and a weekly changelog. |
| Integrations | StrongKey lists out-of-the-box integration with Citrix ADC and Citrix Gateway, plus LDAP or Active Directory and PKI integration. | The integration catalog includes SAML and SCIM providers, HR systems, OAuth services, React Native Expo, Supabase, Stripe and Segment. |
| Purpose | StrongKey FIDO Server (SKFS) is an open-source FIDO Certified server for passwordless strong authentication in web and mobile applications. | WorkOS provides building blocks and APIs for adding enterprise features to applications. |
| Single sign-on | SKFS adds SSO capability and can issue JWT responses for applications. | The SSO product connects applications to SAML and OIDC identity providers through one integration. |
| Support | StrongKey offers integration and support services for FIDO testing, development, and production, PKI onboarding and provisioning, PCI DSS compliance, and customized support; purchased versions include maintenance and upgrades. | All accounts include email support, in-dashboard web support, API status notifications, documentation, and example apps. |
| What it does | StrongKey FIDO Server is an open-source FIDO Certified server for passwordless authentication in web and mobile applications. | WorkOS provides APIs and infrastructure that let SaaS applications add enterprise identity and administration capabilities. |
Plans
StrongKey FIDO Server
- Community EditionFree
- Enterprise / hostedPriced on request
- Supported commercial versionsPriced on request
WorkOS
- AuthKitFree
- RadarFree
- Standard SupportFree
- Custom Domain$99 a month
- Audit Logs$125 a month
- Directory Sync$125 a month
- Single Sign-On$125 a month
- Scale Support$1,000 a month
- Annual CreditsPriced on request
- Enterprise SupportPriced on request
In their own words
StrongKey FIDO Server
StrongKey FIDO Server has no write-up on Specifiction yet; its figures are above.
WorkOS
WorkOS provides APIs and hosted components for SaaS companies adding enterprise capabilities to applications. Its User Management supports SAML and OIDC identity providers, social authentication, and passwordless email codes. Directory Sync handles SCIM provisioning and HRIS integrations for user lifecycle management. Customer IT administrators can configure identity providers and directories in a hosted Admin Portal with custom branding and a custom domain. Developers get REST APIs, JSON responses, webhooks, and SDKs for Node.js, Ruby, Python, .NET, Go, PHP, and Java. AuthKit includes email and password, magic-code sign-in, MFA, passkeys, organization policies, JIT provisioning, RBAC, and CLI authentication. WorkOS lists API, iOS, and web platforms, plus integrations such as Okta, Microsoft Entra ID, Google Workspace, Salesforce, Slack, and Stripe. Pricing is freemium: free plans exist, while paid products start at $99/mo for Custom Domain and $125/mo for SSO or Directory Sync.