Checkmarx vs OWASP ZAP: Which Should You Choose in 2026?
Choosing between Checkmarx and OWASP ZAP 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:
Checkmarx
Application security testing platform
Best for you if:
- 0
- • You need code review features specifically
- • Checkmarx is an enterprise application security testing platform for finding vulnerabilities in code
- • It provides SAST, SCA, and DAST scanning integrated into CI/CD pipelines
OWASP ZAP
Open-source web application security scanner
Best for you if:
- 0
- • You need something completely free
- • You need testing & qa features specifically
- • OWASP ZAP is a free security testing tool for finding web application vulnerabilities
- • It scans for security issues with automated and manual testing capabilities
| At a Glance |  Checkmarx |  OWASP ZAP |
|---|---|---|
Price | Paid | Free |
Best For | Code Review | Testing & QA |
Rating | - | - |
| Feature | Checkmarx | OWASP ZAP |
|---|---|---|
| Pricing Model | Paid | Free |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Code ReviewTesting & QA | Testing & QABrowser DevTools |
How Checkmarx and OWASP ZAP Compare
Checkmarx
Application security testing platform
Paid
OWASP ZAP
Open-source web application security scanner
Free
Checkmarx is a code review tool. OWASP ZAP is in testing & qa.
Who Should Use What?
On a budget?
OWASP ZAP is free. Checkmarx is paid.
Go with: OWASP ZAP
Want the highest-rated option?
Neither has user reviews yet.
Go with: Checkmarx
Value user reviews?
Neither has user reviews yet.
Go with: Checkmarx
3 Questions to Help You Decide
What's your budget?
Checkmarx is paid. OWASP ZAP is free. Go with OWASP ZAP if free matters most.
What's your use case?
Checkmarx is a code review tool. OWASP ZAP is in testing & qa. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Checkmarx
- 0
- Our pick for this comparison
OWASP ZAP
- Completely free
- Better fit for testing & qa
The Bottom Line
Checkmarx is our pick. That said, OWASP ZAP is free, hard to beat on price.
Frequently Asked Questions
Is Checkmarx or OWASP ZAP better?
Checkmarx is rated high in our evaluation. Checkmarx is paid and OWASP ZAP is free.
What are Checkmarx and OWASP ZAP used for?
Checkmarx: Application security testing platform. OWASP ZAP: Open-source web application security scanner.
What does Checkmarx cost vs OWASP ZAP?
Checkmarx is a paid tool. OWASP ZAP is completely free. Visit their websites for detailed pricing.