FusionAuth vs Kinde
FusionAuth
fusionauth.ioKinde
kinde.comSide by side
| Figure | FusionAuth | Kinde |
|---|---|---|
| Price from | $162/mo | $25/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 8 | 4 |
| Spec score · OAuth Server Software | 9.1 (#2) | 8.0 (#18) |
| Spec score · Passkey Authentication Software | 9.2 (#4) | 8.2 (#17) |
| Authentication | It supports username/password login, identity providers, passkeys, and one-time passwords. | Kinde lists password, passwordless, enterprise SSO, machine-to-machine, social and developer logins, and multi-factor authentication. |
| Integrations | Identity-provider integrations include Apple, Facebook, Google, Twitter and arbitrary OIDC or SAML v2 providers, with connectors, plugins and monitoring integrations also available. | The pricing page lists Google Analytics on Pro and user analysis with Hotjar on Plus. |
| 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. | Kinde describes one-to-one guidance via email, Slack, and Discord, plus founder communities and expert partners. |
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
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.
Kinde
Kinde is a cloud platform combining authentication, access management, subscription billing, and feature management for SaaS products. Sign-in options include passwords, passwordless access, enterprise SSO, machine-to-machine access, social and developer logins, and multi-factor authentication. Organizations and multi-tenancy support B2B models. Feature flags provide 10 on Free and unlimited flags on Pro and higher plans. The Free plan includes 10,500 monthly active users, two custom roles, 10 permissions, five custom properties, one webhook, and two environments. Paid plans start at $25 a month. Listed billing transaction fees are 0.7% on Free and Pro, 0.6% on Plus, and 0.5% on Scale; prices are indicative and vary with actual usage. Kinde provides APIs and SDKs for iOS and Android. It lists ISO 27001 registration, SOC 2 Type 2 attestation, HIPAA compliance, and GDPR compliance. Stated protections include AES256 encryption at rest and TLS 1.2 or later in transit, alongside OAuth 2.0, CSRF protections, DMARC, DNSSEC, and a strict content security policy.