smallstep vs Zitadel: Which is Better in 2026?
Choosing between smallstep 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:
smallstep
Zero-trust access and certificate management
Best for you if:
- • smallstep is an open-source certificate management platform
- • It provides automated TLS certificates for internal infrastructure
Zitadel
Open-source identity management
Best for you if:
- • Zitadel is an open-source identity management platform
- • It provides authentication, authorization, and user management
| At a Glance |  smallstep |  Zitadel |
|---|---|---|
Starts at | Custom/moEnterprise | Free tier + paid plansFree tier available |
Best For | Security | Security |
Rating | - | - |
Choose smallstep or Zitadel?
Choose smallstep if
Zero-trust access and certificate management
- Zero trust security
- Certificate management
- Open source option
Choose Zitadel if
Open-source identity management
- Open source IAM
- Self-hostable
- Good features
| Feature | smallstep | Zitadel |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.2/5 10 reviews | No ratings yet |
| Categories | SecurityDeveloper Tools | SecurityDeveloper Tools |
In-Depth Analysis
smallstep
Zero-trust access and certificate management
Strengths
- +Zero trust security
- +Certificate management
- +Open source option
- +Active development
- +Good documentation
Weaknesses
- -Learning curve
- -Complex setup
- -Enterprise features paid
- -Smaller community
- -Niche use case
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: smallstep vs Zitadel
| Plan | smallstep | Zitadel |
|---|---|---|
| Tier 1 | Custom Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on smallstep pricing and Zitadel pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: smallstep
Want the highest-rated option?
Neither has user reviews yet.
Go with: smallstep
Value user reviews?
Neither has user reviews yet.
Go with: smallstep
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?
Both are security tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
smallstep
- Free tier available
- Our pick for this comparison
Zitadel
- Choose if you want open-source identity management
The Bottom Line
smallstep is our pick.
Frequently Asked Questions
Is smallstep or Zitadel better?
smallstep is rated in our evaluation. Both are freemium.
What are smallstep and Zitadel used for?
smallstep: Zero-trust access and certificate management. Zitadel: Open-source identity management.
What does smallstep cost vs Zitadel?
smallstep is freemium (free tier + paid plans). Zitadel is freemium (free tier + paid plans). Visit their websites for detailed pricing.