FusionAuth vs WorkOS
Side-by-side comparison of features, pricing, ratings, and alternatives.
FusionAuth provides a complete customer identity and access management solution that developers can integrate quickly via APIs, SDKs, and webhooks. It handles authentication, authorization, and user lifecycle management while offering both cloud SaaS and self‑hosted deployments. The platform includes built‑in support for social logins, multi‑factor authentication, passwordless flows, and fine‑grained role‑based access control, making it suitable for everything from startups to large enterprises.
WorkOS delivers a set of APIs that let B2B SaaS companies add enterprise authentication, single sign‑on (SSO) and user provisioning quickly without building the infrastructure from scratch. It abstracts protocols like SAML, OAuth, OpenID Connect and SCIM into simple REST endpoints. Developers can integrate with popular identity providers such as Okta, Azure AD, Google Workspace and more, while gaining audit logs and security controls needed for enterprise compliance. The platform is cloud‑hosted, scalable, and comes with SDKs for major languages.
- Easy integration with extensive SDKs
- Rich feature set in free tier
- Self‑hosted option for full data control
- Clear documentation and active community
- Fast integration with minimal code
- Supports all major SSO protocols
- Scalable cloud service with high availability
- Comprehensive SDKs and docs
- Advanced enterprise features require paid plan
- UI can feel dated compared to newer competitors
- Limited out‑of‑the‑box UI customization
- Limited on‑premises deployment options
- Pricing beyond free tier can be high for large volumes
- Core platform is not open source
More alternatives & similar tools
Alternatives to FusionAuth
View all →Alternatives to WorkOS
View all →The Verdict
AI-generated from listing dataFusionAuth offers a free‑tier with self‑hosted option and open‑source code, while WorkOS provides a cloud‑only, enterprise‑focused SSO/SCIM platform with broader SaaS‑grade scalability.
Key differences
- •Deployment model: FusionAuth can be self‑hosted (Docker) or SaaS; WorkOS is cloud‑only.
- •Open source vs closed: FusionAuth is open source; WorkOS is not.
- •Primary focus: FusionAuth is a full identity platform (passwordless, MFA, social logins); WorkOS centers on enterprise SSO, SCIM provisioning, and multi‑tenant SaaS needs.
- •Integration breadth: FusionAuth lists 30+ social providers plus Azure AD/Okta; WorkOS emphasizes directory sync and SSO with major IdPs but fewer social logins.
- •Support channels: FusionAuth offers community forum and paid support; WorkOS adds live chat but no community forum.
Pricing & value
FusionAuth provides a freemium tier with self‑hosted option; WorkOS free tier limited, paid plans can be costly at scale.
Ease of use / learning curve
WorkOS advertises fast integration with minimal code and extensive SDKs; FusionAuth requires more setup for full feature set.
Features & depth
FusionAuth includes MFA, passwordless, social logins, webhooks, and full UI; WorkOS focuses on SSO and SCIM only.
Integrations & ecosystem
FusionAuth lists over 30 social providers plus major IdPs; WorkOS lists key enterprise IdPs but fewer overall integrations.
Scalability
WorkOS is a cloud SaaS service designed for high‑availability enterprise workloads; FusionAuth self‑hosted scaling depends on user infrastructure.
Support
WorkOS offers email, live chat, and documentation; FusionAuth provides email, community forum, and paid support plans.
Security & privacy
FusionAuth’s open‑source code and self‑hosted option give full data control; WorkOS is closed source and cloud‑only.
Choose FusionAuth if…
Teams needing full identity features, self‑hosting, or open‑source control.
Choose WorkOS if…
Enterprise B2B SaaS products prioritizing SSO/SCIM and cloud scalability.
Common questions
Can I run FusionAuth on‑premises?
Yes, FusionAuth offers a self‑hosted Docker image for on‑prem deployment.
Does WorkOS support passwordless or social logins?
Not specified; WorkOS focuses on SSO, SCIM, and directory sync.
Which product is open source?
FusionAuth is open source; WorkOS is not.
