FusionAuth vs Quasr
FusionAuth
FusionAuth is registration, login, and user management built for devs. Deploys in minutes on any platform or framework
58 employees · est. 2009 · Broomfield, United States
FusionAuth is the older company (2009 vs 2021); FusionAuth is the larger of the two.
Side-by-Side Comparison
| Metric | FusionAuth | Quasr |
|---|---|---|
| Founded | ||
| Founded | 2009 older | 2021 |
| Headquarters | ||
| Headquarters | Broomfield, United States | Belgium |
| Employees | ||
| Employees | 58 larger | 6 |
| Industry | ||
| Industry | Analytics, Cyber Security, Developer Tools | Analytics, Cyber Security, Information Technology |
| Funding Stage | ||
| Funding Stage | Venture round | Not tracked yet |
| Total Funding | ||
| Total Funding | $65.00M | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 1 | Not tracked yet |
| Services | ||
| Services | Not tracked yet | Customer Identity and Access Management Platform, Authentication and Privacy Capabilities, API-based Integration with Apps and Identity Providers, Personal Data Sovereignty and Privacy Controls, Multi-Tenant Configuration and Automation |
| Target Customers | ||
| Target Customers | Not tracked yet | Developers, European Early-Stage Startups, Businesses in Need of Scalable CIAM Solutions, Companies Focused on User-centric Digital Experiences |
| Taxonomy | ||
| Taxonomy | AuthenticationAuthorizationUser ManagementDeveloper ToolsIdentity ManagementCustomer Authentication +8 | Customer Identity & Access ManagementCIAMIdentity ManagementAuthenticationPrivacyUser Experience +3 |
| Website | ||
| Website | fusionauth.io | quasr.io |
About FusionAuth
FusionAuth is a customer authentication and authorization platform that aims to simplify the complex task of building customer authentication for applications. Founded in 2018 and headquartered in the United States, FusionAuth offers registration, login, and user management solutions that can be dep...
About Quasr
Quasr, a SaaS company founded in 2021, is making a notable impact in the cybersecurity sector, focusing on Customer Identity & Access Management (CIAM). Based in Belgium, Quasr offers a robust platform where developers can seamlessly integrate authentication and privacy features into their applicati...
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Compiled from the BounceWatch company index. We last looked at FusionAuth on 12 Sep 2024, and Quasr on 6 Jul 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
