FusionAuth alternatives: top competitors compared
Named alongside FusionAuth
AWS100% of FusionAuth answersWorkOSBest forSaaS and AI companies that need to add enterprise features like SSO and SCIM to sell to large organizations.100% of FusionAuth answersClerkBest forDevelopers building React and Next.js apps who want prebuilt auth and user management, including B2B SaaS needing organizations and SSO100% of FusionAuth answersMicrosoft Entra ID50% of FusionAuth answers
Data from SlateIndex weekly runs
FusionAuth has a visibility score of 1 in Identity & Access Management, #29 of 37. AI answers that name FusionAuth most often also name these 4.
Quick reference
| Alternative | Best for | Starting price | Visibility | Key differentiator |
|---|---|---|---|---|
| AWS | — | — | 35.7% | Syncs Figma components into generated code and provisions AWS backend services through a visual interface. |
| WorkOS | SaaS and AI companies that need to add enterprise features like SSO and SCIM to sell to large organizations. | Contact sales | 9.5% | A single API that abstracts dozens of enterprise identity integrations, with a hosted Admin Portal for customer IT admins to self-configure. |
| Clerk | Developers building React and Next.js apps who want prebuilt auth and user management, including B2B SaaS needing organizations and SSO | Free; paid from $25 / mo | 3.1% | Prebuilt, drop-in UI components and SDKs for modern frameworks, priced on monthly retained users rather than MAU |
| Microsoft Entra ID | — | — | 66% | Every Microsoft 365 tenant includes an Entra ID instance, so it is the built-in identity layer for Microsoft cloud services. |
Alternative 1
AWS vs FusionAuth →AWS
AWS is ranked #4 in MLOps Platforms.
Quick facts
- Pricing not available
- 35.7% visibility score · #4 in MLOps Platforms
Key features
- Amplify Studio — Visual low-code tool that syncs Figma components, generates JavaScript or TypeScript UI code and provisions AWS backend services.
AWS vs FusionAuth
| Dimension | AWS | FusionAuth |
|---|---|---|
| Visibility score | 35.7% | 1% |
| Pricing model | — | Usage-based |
| Entry price | — | Free; paid from $162 / mo |
| Free plan | — | Yes |
| Trial | — | Free plan available |
Pros
- Core federation and multi-account management included at no extra charge
- Enterprise-grade reliability and uptime on AWS infrastructure
- Pay-as-you-go, usage-based pricing
- Deep integration with the AWS ecosystem and AI tools
- Recognised by analysts such as Gartner and ISG
Cons
- Requires strong AWS engineering or technical expertise
Alternative 2
WorkOS vs FusionAuth →WorkOS
WorkOS suits saaS and AI companies that need to add enterprise features like SSO and SCIM to sell to large organizations..
Quick facts
- Contact sales · usage-based
- Free plan available
- 9.5% visibility score · #11 in Identity & Access Management
- 20+ native integrations
Key features
- AuthKit — User management and authentication UI with social auth, MFA, RBAC, passkeys and Magic Auth.
- Single Sign-On — Enterprise SSO supporting any SAML or OIDC identity provider through one integration.
- Directory Sync — SCIM and HRIS user provisioning, de-provisioning and role mapping.
- Audit Logs — Capture, store and export compliance events, with log streaming to SIEMs.
WorkOS vs FusionAuth
| Dimension | WorkOS | FusionAuth |
|---|---|---|
| Visibility score | 9.5% | 1% |
| Pricing model | Usage-based | Usage-based |
| Entry price | Contact sales | Free; paid from $162 / mo |
| Free plan | Yes | Yes |
| Trial | Free plan available | Free plan available |
Pros
- Highly transparent for B2B SaaS authentication
- Best overall choice for typical B2B SaaS authentication
- Purpose-built for B2B SaaS to quickly unlock enterprise contracts
- Generous free tier and usage-based pricing
- Rapid enterprise feature integration (SSO, SCIM, provisioning)
Cons
- Advanced enterprise SAML connections may incur extra costs
Alternative 3
Clerk vs FusionAuth →Clerk
Clerk suits developers building React and Next.js apps who want prebuilt auth and user management, including B2B SaaS needing organizations and SSO.
Quick facts
- Free; paid from $25 / mo · usage-based
- Free plan available
- 3.1% visibility score · #22 in Identity & Access Management
Key features
- User Authentication — Sign-in and sign-up with passwords, magic links, OTP, social SSO, passkeys and MFA.
- B2B Authentication — Multi-tenancy with organizations, invitations, auto-join and custom roles and permissions.
- Enterprise Authentication — SAML/OIDC SSO connections and SCIM directory sync.
- Protect — Fraud and abuse protection including bot detection, brute force prevention and rate limits.
Clerk vs FusionAuth
| Dimension | Clerk | FusionAuth |
|---|---|---|
| Visibility score | 3.1% | 1% |
| Pricing model | Usage-based | Usage-based |
| Entry price | Free; paid from $25 / mo | Free; paid from $162 / mo |
| Free plan | Yes | Yes |
| Trial | Free plan available | Free plan available |
Pros
- Free user management up to 1,000,000 MAUs
- Clear, modular per-connection pricing
- Rapid development and developer experience
- Expanded support for B2B organizations and multi-tenancy
- Good fit for rapid MVP builds
Cons
Alternative 4
Microsoft Entra ID vs FusionAuth →Microsoft Entra ID
Microsoft Entra ID is ranked #1 in Identity & Access Management.
Quick facts
- Pricing not available
- 66% visibility score · #1 in Identity & Access Management
Key features
- Microsoft Entra ID Free — Entry tier of the Entra ID identity service.
- Microsoft Entra ID P1 — Core IAM capabilities including single sign-on, multi-factor authentication and Conditional Access.
- Microsoft Entra ID P2 — Everything in P1 plus ID Protection, Privileged Identity Management and identity governance such as access reviews.
- Microsoft Entra Connect — Synchronizes on-premises Active Directory with Entra ID (formerly Azure AD Connect).
Microsoft Entra ID vs FusionAuth
| Dimension | Microsoft Entra ID | FusionAuth |
|---|---|---|
| Visibility score | 66% | 1% |
| Pricing model | — | Usage-based |
| Entry price | — | Free; paid from $162 / mo |
| Free plan | — | Yes |
| Trial | — | Free plan available |
Pros
- Native integration with Microsoft 365 and Azure ecosystems
- Cost-effective fit for organizations already paying for Microsoft 365
- Strong workforce IAM with SSO, MFA and passwordless access
- Top-ranked and recognised as a Leader among IAM providers
- Strong for enterprise identity governance and hybrid environments
Cons
- Advanced add-ons carry extra yearly paid subscription costs
- Advanced features such as Conditional Access require paid tiers
How to choose
Match the pricing model to your cost driver: headcount, usage or features.
| Platform | Pricing model | Starting price |
|---|---|---|
| FusionAuth | Usage-based | Free; paid from $162 / mo |
| AWS | — | — |
| WorkOS | Usage-based | Contact sales |
| Clerk | Usage-based | Free; paid from $25 / mo |
| Microsoft Entra ID | — | — |
More alternatives
Ranked by how often AI answers name them alongside FusionAuth in the latest weekly run.