FusionAuth vs Zitadel
On the evidence we track, Zitadel leads this comparison with a composite score of 65/100. 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.
FusionAuth
FusionAuth is an identity and access management solution providing comprehensive authentication capabilities including social login, passwordless authentication, multi-factor authentication, and single sign-on. It supports self-hosted, cloud, and hybrid deployment models with transparent, predictable pricing and full API-first integration.
Zitadel
LeaderA 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.
FusionAuth
Free self-hosted Community edition. Paid cloud plans from $162/mo for Starter.
- CommunityFree
- Core authentication standards and features
- Community support via forums, Slack, and GitHub
- Self-hosted deployment
- Starter$162/mo when billed annually
- Premium authentication features
- Advanced MFA methods
- Application theming
- Breached password detection
- Machine-to-machine authentication
- +1 more
- EssentialsStarting at $2,970/mo billed annually
- Advanced connectivity, MFA, and security features
- Custom OAuth scopes
- Email support with 24-48 hour response during business hours
- Business hosting included
- EnterpriseContact sales
- All Essentials features
- Advanced threat detection
- SSO tenant manager
- 24/7 phone and email support
- Private Slack channel with contract
- +2 more
Zitadel
LeaderFree 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.
- LDAP
- Webhooks
FusionAuth
- Legacy database systems
- Kafka
- Custom APIs
Zitadel
Leader- Microsoft
- GitHub
- SAML 2.0
- SCIM 2.0
- OpenID Connect
- gRPC
- connectRPC
- REST API
- Actions
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.