FusionAuth vs Gluu Flex
FusionAuth
fusionauth.ioGluu Flex
gluu.orgSide by side
| Figure | FusionAuth | Gluu Flex |
|---|---|---|
| Price from | $162/mo | — |
| Free plan | Yes | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 8 | 3 |
| Spec score · OAuth Server Software | 9.1 (#2) | 7.4 (#28) |
| Spec score · Authentication Software | 9.2 (#2) | 7.5 (#22) |
| Authentication | It supports username/password login, identity providers, passkeys, and one-time passwords. | Listed use cases include OpenID and SAML federation, single sign-on, mobile authentication, multi-factor and passwordless authentication, and device-flow authentication. |
| Headquarters | United States | Austin, Texas, USA |
| Support | Community support is provided through forums, Slack, and GitHub; Essentials includes email support with a 24 to 48 hour business-hours response time, and Enterprise includes 24/7 email and phone support. | The Gluu Flex contract includes guaranteed response times and consultative support through the support portal. |
Plans
FusionAuth
- CommunityFree
- CommunityFree
- Starter$162 a month
- Starter$162 a month
- Enterprise$2,970 a month
- Enterprise$2,970 a month
- Essentials$2,970 a month
- Essentials$2,970 a month
Gluu Flex
- Flex Licence — 100 MAUPriced on request
- Flex Licence — 400 MAUPriced on request
- Flex Licence — 1,600 MAUPriced on request
In their own words
FusionAuth
FusionAuth is a Customer Identity and Access Management server for authentication, authorization, and user management. It supports username and password login, passkeys, one-time passwords, and external identity providers, including Apple, Facebook, Google, and Twitter. It implements OAuth 2.0, OpenID Connect, and SAML v2. Authorization includes role-based access across users, roles, groups, applications, and entities, plus fine-grained authorization integration. Teams can customize pages and messages and use lambda functions and webhooks. It can run locally, on-premises, in private or air-gapped cloud environments, or as a managed FusionAuth Cloud instance. The free Community Edition is self-hosted and unlimited, with no trial clock. Starter costs $162 a month billed annually and includes one connector and 100 machine-to-machine entities; Essentials and Enterprise cost $2,970 a month billed annually. FusionAuth supports Android, iOS, Linux, macOS, Windows, web, and API deployments.