Clerk vs Zitadel
On the evidence we track, Clerk leads this comparison with a composite score of 72/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for auth & identity software. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Clerk
LeaderA cloud-based authentication and user management platform offering prebuilt UI components, APIs, and dashboards to implement user sign-in, profile management, organizations, and billing features.
Zitadel
A multi-tenant, API-first identity and access management platform offering single sign-on, multi-factor authentication, passkeys, and complete audit trails. Available as a managed cloud service or self-hosted deployment, designed for developers building secure SaaS and B2B applications.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Clerk
LeaderFrom $25/month. Free tier with 10,000 MAUs.
- FreeFree
- Sign-in and sign-up
- Customizable sign-in pages
- Custom domain
- Profile management
- Social login
- Pro$25/month plus $0.02 per additional MAU
- All Free features
- Remove Clerk branding
- Custom session duration
- Password complexity requirements
- User ban/unban
- +4 more
- EnterpriseContact sales
Zitadel
Free tier available. Pro plan from $100/month with 25,000 DAU included. Usage-based overage pricing for additional capacity.
- FreeFree
- 100 daily active users
- 3 external identity providers
- 5,000 management API requests
- Community support
- 1 management instance
- Pro$100/month including 25,000 DAU and 500,000 API requests; overage pricing available
- 25,000 daily active users
- 500,000 management API requests
- 3 external identity providers
- Multifactor authentication
- Passkeys/WebAuthn
- +5 more
- EnterpriseContact sales
- Custom scaling
- Custom compliance
- Custom security questionnaires
- Custom contract and MSA
- Up to 99.99% availability SLA
- +1 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Clerk
Leader- Google OAuth
- GitHub OAuth
- Google Workspace
- Convex
- MCP
Zitadel
- Microsoft
- GitHub
- LDAP
- SAML 2.0
- SCIM 2.0
- OpenID Connect
- gRPC
- connectRPC
- REST API
- Webhooks
- Actions
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.