Auth0 vs Zitadel: Which is Better in 2026?
Choosing between Auth0 and Zitadel comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Auth0
Identity platform for developers
Best for you if:
- • You need identity & access features specifically
- • Industry-leading identity platform
- • Authentication and authorization as a service
Zitadel
Open-source identity management
Best for you if:
- • You need security features specifically
- • Zitadel is an open-source identity management platform
- • It provides authentication, authorization, and user management
| At a Glance |  Auth0 |  Zitadel |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Identity & Access | Security |
Rating | 4.4/5 | - |
Free plan | Yes | Yes |
Choose Auth0 or Zitadel?
Choose Auth0 if
Identity platform for developers
- Easy integration
- Many features
- Great docs
- Your work is identity & access-shaped, not security-shaped
Choose Zitadel if
Open-source identity management
- Open source IAM
- Self-hostable
- Good features
- Your work is security-shaped, not identity & access-shaped
| Feature | Auth0 | Zitadel |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.4/5 388 reviews | No ratings yet |
| Categories | Identity & AccessDeveloper Tools | SecurityDeveloper Tools |
In-Depth Analysis
Auth0
Identity platform for developers
Strengths
- +Easy integration
- +Many features
- +Great docs
Weaknesses
- -Expensive at scale
- -Complex pricing
Key features
Zitadel
Open-source identity management
Strengths
- +Open source IAM
- +Self-hostable
- +Good features
- +Active development
- +Cloud option
Weaknesses
- -Learning curve
- -Setup complexity
- -Documentation improving
- -Smaller community
- -Still maturing
Key features
Pricing: Auth0 vs Zitadel
| Plan | Auth0 | Zitadel |
|---|---|---|
| Tier 1 | 0 forever Free | N/A |
| Tier 2 | 35 /month Essentials | N/A |
| Tier 3 | 240 /month Professional | N/A |
| Tier 4 | Custom /month Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Auth0 pricing and Zitadel pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Auth0
Want the highest-rated option?
Auth0 is rated 4.4/5. Zitadel has no ratings yet.
Go with: Auth0
Value user reviews?
Auth0: 388 reviews (4.4/5). Zitadel: no ratings yet.
Go with: Auth0
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Auth0 is a identity & access tool. Zitadel is in security. Pick the category that matches your needs.
How important are ratings?
Auth0 is rated 4.4/5; Zitadel has no ratings yet.
Key Takeaways
Auth0
- Free tier available
- Our pick for this comparison
Zitadel
- Better fit for security
The Bottom Line
Auth0 is our pick.
Frequently Asked Questions
Is Auth0 or Zitadel better?
Auth0 is rated in our evaluation. Both are freemium.
What are Auth0 and Zitadel used for?
Auth0: Identity platform for developers. Zitadel: Open-source identity management.
What does Auth0 cost vs Zitadel?
Auth0 is freemium (free tier + paid plans). Zitadel is freemium (free tier + paid plans). Visit their websites for detailed pricing.