OWASP Zap vs Synopsys API Security Testing comparison

OWASP and Black Duck are both solutions in the Static Application Security Testing (SAST) category. OWASP is ranked #11 with an average rating of 7.7, while Black Duck is ranked #39. OWASP holds a 5.1% mindshare in SAST, compared to Black Duck’s 0.1% mindshare. Additionally, 88% of OWASP users are willing to recommend the solution, compared to 100% of Black Duck users who would recommend it.

OWASP Zap

Read 40 OWASP Zap reviews

11,136 Views
6,104 Comparison Views

88% willing to recommend

Synopsys API Security Testing

Read 1 Synopsys API Security Testing review

220 Views
169 Comparison Views

100% willing to recommend

OWASP Zap

Synopsys API Security Testing

Comparison Buyer's Guide

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Executive Summary

We performed a comparison between OWASP Zap and Synopsys API Security Testing based on real PeerSpot user reviews.

Find out what your peers are saying about Sonar, Veracode, Checkmarx and others in Static Application Security Testing (SAST).

To learn more, read our detailed Static Application Security Testing (SAST) Report (Updated: April 2025).

Buyer's Guide

Static Application Security Testing (SAST)

April 2025

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Helped 848,253 peers since 2012

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

OWASP Zap

Ranking in Static Application Security Testing (SAST)

11th

Average Rating

7.6

Reviews Sentiment

7.3

Number of Reviews

Ranking in other categories

No ranking in other categories

Synopsys API Security Testing

Ranking in Static Application Security Testing (SAST)

39th

Average Rating

7.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of April 2025, in the Static Application Security Testing (SAST) category, the mindshare of OWASP Zap is 5.1%, down from 5.8% compared to the previous year. The mindshare of Synopsys API Security Testing is 0.1%, down from 0.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Static Application Security Testing (SAST)

Featured Reviews

Amit Beniwal

Project Manager at Al Hassan LLC

Simplifies vulnerability discovery and has high quality support

There are areas for improvement with OWASP Zap, particularly in the alignment of vulnerabilities concerning CVSS scores. Sometimes, a vulnerability initially categorized as high severity may be reduced to medium or low over time after security patches are applied. This alignment with the present severity score and CVSS score could be improved.

Read full review

UmarQureshi

Security Lead at a retailer with 10,001+ employees

Useful threat vectors, beneficial results, but implementation needed support

We are using Synopsys API Security Testing for scanning APIs for risks and vulnerabilities and to understand our posture before deployment within our business The most valuable features of Synopsys API Security Testing are the metrics, results, and threat vectors that it shares. I have been…

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Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"OWASP is quite matured in identifying the vulnerabilities."

"The application scanning feature is the most valuable feature."

"The reporting is quite intuitive, which gives you a clear indication of what kind of vulnerability you have that you can drill down on to gather more information."

"One valuable feature of OWASP Zap is that it is simple to use."

"The solution is good at reporting the vulnerabilities of the application."

"Automatic updates and pull request analysis."

"It can be used effectively for internal auditing."

More OWASP Zap pros

"The most valuable features of Synopsys API Security Testing are the metrics, results, and threat vectors that it shares."

Cons

"Online documentation can be improved to utilize all features of ZAP and API methods to make use in automation."

"The reporting feature could be more descriptive."

"OWASP Zap needs to extend to mobile application testing."

"OWASP should work on reducing false positives by using AI and ML algorithms. They should expand their capabilities for broader coverage of business logic flaws and complex issues."

"If there was an easier to understand exactly what has been checked and what has not been checked, it would make this solution better. We have to trust that it has checked all known vulnerabilities but it's a bit hard to see after the scanning."

"It would be ideal if I could try some pre-built deployment scenarios so that I don't have to worry about whether the configuration sector team is doing it right or wrong. That would be very helpful."

"Sometimes, we get some false positives."

"Zap could improve by providing better reports for security and recommendations for the vulnerabilities."

More OWASP Zap cons

"The solution required us to use our team and we spoke to Synopsys API Security Testing's support to do the implementation. We use two people from our team for the implementation. and one person for maintenance."

Pricing and Cost Advice

"This is an open-source solution and can be used free of charge."

"It's free and open, currently under the Apache 2 license. If ZAP does what you need it to do, selling a free solution is a very easy."

"This solution is open source and free."

"OWASP Zap is free to use."

"The tool is open source."

"We have used the freeware version. I believe Zap only has freeware."

"OWASP ZAP is a free tool provided by OWASP’s engineers and experts. There is an option to donate."

"It is highly recommended as it is an open source tool."

More OWASP Zap pricing and cost advice

Information not available

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Top Industries

By visitors reading reviews

Computer Software Company

18%

Financial Services Firm

11%

Manufacturing Company

Government

Computer Software Company

23%

Financial Services Firm

20%

Manufacturing Company

15%

Insurance Company

11%

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

No data available

Questions from the Community

Is OWASP Zap better than PortSwigger Burp Suite Pro?

OWASP Zap and PortSwigger Burp Suite Pro have many similar features. OWASP Zap has web application scanning available with basic security vulnerabilities while Burp Suite Pro has it available with ...

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What do you like most about OWASP Zap?

The best feature is the Zap HUD (Heads Up Display) because the customers can use the website normally. If we scan websites with automatic scanning, and the website has a web application firewall, i...

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What is your experience regarding pricing and costs for OWASP Zap?

OWASP might be cost-effective, however, people prefer to use the free edition available as open source.

See all answers

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Comparisons

SonarQube Server (formerly SonarQube) vs OWASP Zap

Compared 21% of the time

Acunetix vs OWASP Zap

Compared 16% of the time

Qualys Web Application Scanning vs OWASP Zap

Compared 9% of the time

Checkmarx One vs OWASP Zap

Compared 9% of the time

Veracode vs OWASP Zap

Compared 9% of the time

More OWASP Zap Competitors

Invicti vs Synopsys API Security Testing

Compared 55% of the time

Seeker vs Synopsys API Security Testing

Compared 45% of the time

More Synopsys API Security Testing Competitors

Product Reports

Buyer's Guide

OWASP Zap

March 2025

Download OWASP Zap product report

Buyer's Guide

Static Application Security Testing (SAST)

April 2025

Download Synopsys API Security Testing product report

Overview

OWASP Zap is a free and open-source web application security scanner.

The solution helps developers identify vulnerabilities in their web applications by actively scanning for common security issues.

With its user-friendly interface and powerful features, Zap is a popular choice among developers for ensuring the security of their web applications.

OWASP

AppSec testing optimized for the needs of API developers
APIs provide open, flexible interfaces that enable applications and services to talk to each other. But these characteristics can also make it difficult to build secure software—and even more difficult for traditional AppSec tools to test it.

Black Duck

Sample Customers

1. Google 2. Microsoft 3. IBM 4. Amazon 5. Facebook 6. Twitter 7. LinkedIn 8. Netflix 9. Adobe 10. PayPal 11. Salesforce 12. Cisco 13. Oracle 14. Intel 15. HP 16. Dell 17. VMware 18. Symantec 19. McAfee 20. Citrix 21. Red Hat 22. Juniper Networks 23. SAP 24. Accenture 25. Deloitte 26. Ernst & Young 27. PwC 28. KPMG 29. Capgemini 30. Infosys 31. Wipro 32. TCS

Information Not Available

Buyer's Guide

Static Application Security Testing (SAST)

April 2025

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We monitor all Static Application Security Testing (SAST) reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.