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Clerk vs Duo Security
Compare Clerk and Duo Security on deployment, pricing and source model before you shortlist.
| Attribute |  ClerkOther license |  Duo SecurityOther license |
|---|---|---|
| Category | Identity & Access Management | Identity & Access Management |
| Primary focus | Drop-in authentication and user management for web and mobile apps | Verify users and device trust at access time |
| Deployment | Not specified | Web |
| 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 Duo Security open source?
Clerk is not open source (proprietary or source-available). Duo Security is not open source (proprietary or source-available).
What is the pricing model for Clerk vs Duo Security?
Clerk uses a freemium pricing model. Duo Security uses a freemium pricing model. Confirm current rates with each vendor before deciding.
Can Clerk and Duo Security be self-hosted?
Clerk is not offered as a self-hosted option. Duo Security is not offered as a self-hosted option.