Casdoor vs Zitadel: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Casdoor and Zitadel side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Casdoor
An open-source, UI-first identity and access management and single sign-on platform.
Best for you if:
- • You want a fully free tool (Zitadel requires payment)
Zitadel
Open-source identity management
Best for you if:
- • You want open source IAM
| At a Glance | Casdoor | Zitadel |
|---|---|---|
Starts at | Free 100% free | Free plan |
Category | Identity & Access Security | Identity & Access Security |
Rating | n/a | n/a |
Free plan | Yes | Yes |
Choose Casdoor or Zitadel?
Choose Casdoor if
- You want a fully free tool (Zitadel requires payment)
- You want comprehensive support for various authentication standards and identity providers
- You want includes SaaS management capabilities for subscription businesses
Choose Zitadel if
- You want open source IAM
- You want self-hostable
In-Depth Analysis
Casdoor
An open-source, UI-first identity and access management and single sign-on platform.
Strengths
- Pro: Comprehensive support for various authentication standards and identity providers
- Pro: Includes SaaS management capabilities for subscription businesses
- Pro: Open-source and UI-first for ease of use and customization
- Pro: Scalable and performant for high-concurrency environments
- Pro: Well-documented integration process
Weaknesses
- Con: Requires technical expertise for deployment and advanced configuration
- Con: Reliance on community for additional provider requests
Key features
Zitadel
Open-source identity management
Zitadel's pricing is quite generous, especially with its robust open-source offering at $0.
Strengths
- Pro: Open source IAM
- Pro: Self-hostable
- Pro: Good features
- Pro: Active development
- Pro: Cloud option
Weaknesses
- Con: Learning curve
- Con: Setup complexity
- Con: Documentation improving
- Con: Smaller community
- Con: Still maturing
Key features
Key Takeaways
Casdoor
- Choose if you want an open-source, UI-first identity and access management and single sign-on platform
Zitadel
- Choose if you want open-source identity management
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Casdoor and Zitadel compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Both have a free plan.
What are Casdoor and Zitadel used for?
Casdoor: An open-source, UI-first identity and access management and single sign-on platform. Zitadel: Open-source identity management.
What does Casdoor cost vs Zitadel?
Casdoor is free. Zitadel has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Oct 19, 2026.
What's the main difference between Casdoor and Zitadel?
Casdoor's main strength: comprehensive support for various authentication standards and identity providers. Zitadel's main strength: open source IAM.