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Clerk vs FusionAuth
Compare Clerk and FusionAuth on deployment, pricing and source model before you shortlist.
| Attribute |  ClerkOther license |  FusionAuthOther license |
|---|---|---|
| Category | Identity & Access Management | Identity & Access Management |
| Primary focus | Drop-in authentication and user management for web and mobile apps | Self-hostable, developer-first customer identity platform |
| Deployment | Not specified | Self-hosted |
| Source model | Other license | Other license |
| Pricing model | freemium | freemium |
| API available | Yes | Yes |
| Vendor website | Visit vendor ↗ | Visit vendor ↗ |
| ITHub profile | View full profile → | View full profile → |
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Frequently asked questions
Is Clerk or FusionAuth open source?
Clerk is not open source (proprietary or source-available). FusionAuth is not open source (proprietary or source-available).
What is the pricing model for Clerk vs FusionAuth?
Clerk uses a freemium pricing model. FusionAuth uses a freemium pricing model. Confirm current rates with each vendor before deciding.
Can Clerk and FusionAuth be self-hosted?
Clerk is not offered as a self-hosted option. FusionAuth is self-hostable.