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OWASP Zap vs Rapid7 AppSpider comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Oct 8, 2024

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)
10th
Average Rating
7.6
Reviews Sentiment
7.3
Number of Reviews
41
Ranking in other categories
No ranking in other categories
Rapid7 AppSpider
Ranking in Static Application Security Testing (SAST)
30th
Average Rating
7.8
Reviews Sentiment
6.7
Number of Reviews
14
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of February 2026, in the Static Application Security Testing (SAST) category, the mindshare of OWASP Zap is 3.5%, down from 4.9% compared to the previous year. The mindshare of Rapid7 AppSpider is 0.7%, up from 0.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Static Application Security Testing (SAST) Market Share Distribution
ProductMarket Share (%)
OWASP Zap3.5%
Rapid7 AppSpider0.7%
Other95.8%
Static Application Security Testing (SAST)
 

Featured Reviews

Prasant Pokarnaa - PeerSpot reviewer
Delivery Head - DevOps at Datamato Technologies
Effective vulnerability identification enhances security scans but AI-driven enhancements are needed
OWASP is only meant for two or three different types of scans. It is a tool which will scan the code for security for vulnerabilities We were able to convince the customers to really remove those rules when GitLab was able to show the results. Customers should be aware that GitLab is not just a…
HW
Marketing Expert at J's communication
Clients benefit from broad authentication and effective crawling but need localization improvements
Our clients use AppSpider to address security concerns for their websites. It is particularly used by customers who require security assessments One of the most valuable features of AppSpider is its broad range of authentication identification, which is a key reason for its utilization.…

Quotes from Members

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

Pros

"Stability-wise, I rate the solution a nine out of ten. I think it's stable enough. I don't see any crashes within the application, so its stability is high."
"It's great that we can use it with Portswigger Burp."
"The product helps users to scan and fix vulnerabilities in the pipeline."
"The ZAP scan and code crawler are valuable features."
"It updates repositories and libraries quickly."
"OWASP Zap is a good tool, one of my favorites for a long time, and I would recommend it."
"Automatic updates and pull request analysis."
"The scalability of this product is very good."
"The most valuable feature is the reporting, which is compliant with international standards."
"Rapid7 AppSpider is good at managing different applications. It uses applets and generates reports to cover the PCA/GDPR compliance requirements."
"What I like most about AppSpider is that it's easy to use and its automated scan gives me all the details I need to know when it comes to vulnerabilities and their solutions."
"It is really accurate and the rate of false positives is very low."
"It scans all the components developed within a web application."
"When it is set up properly, it can do scanning on web apps with multiple engines automatically."
"I would say that it is stable, as I am not aware of any major issues."
"One of the most valuable features of AppSpider is its broad range of authentication identification, which is a key reason for its utilization."
 

Cons

"The reporting feature could be more descriptive."
"Reporting format has no output, is cluttered and very long."
"It doesn't run on absolutely every operating system."
"The port scanner is a little too slow.​"
"The solution is somewhat unreliable because after we get the finding, we have to manually verify each of its findings to see whether it's a false positive or a true finding, and it takes time."
"There are too many false positives."
"Zap could improve by providing better reports for security and recommendations for the vulnerabilities."
"For scalability, I would rate OWASP Zap between four to five out of ten."
"Support response times are slow and can be improved."
"The dashboard and interface are crucial and they need some improvement."
"The product needs to be able to scale for large companies, like ours. We have millions of IP addresses that need to be scanned, and the scalability is not great."
"The enterprise interface is too simple. It should be more customizable."
"This price of this solution is a little bit expensive."
"Integration could be better."
"The tech support is responsive but issues remain unresolved."
"One of the challenges I have with AppSpider is that it gives you a lot of false positives, especially when compared to other solutions."
 

Pricing and Cost Advice

"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."
"The tool is open-source."
"This app is completely free and open source. So there is no question about any pricing."
"OWASP Zap is free to use."
"This is an open-source solution and can be used free of charge."
"The solution’s pricing is high."
"It is open source, and we can scan freely."
"AppSpider is closed-source software and you need to acquire a license in order to use it."
"The price is pretty fair."
"The price of Rapid7 AppSpider cost 9,000 annually but there is limited usage. Large companies are able to negotiate a better price or a better deal for the usage with the vendor."
"The licensing cost depends on the number of users."
"It is expensive if you want to buy the Enterprise version that is able to scan multiple applications at once."
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Top Industries

By visitors reading reviews
Computer Software Company
13%
University
9%
Financial Services Firm
9%
Manufacturing Company
8%
Financial Services Firm
13%
Manufacturing Company
11%
Computer Software Company
9%
Educational Organization
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise11
Large Enterprise21
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise2
Large Enterprise1
 

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 ...
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...
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.
What is your experience regarding pricing and costs for Rapid7 AppSpider?
The price is not high, but for Japanese customers, localization may incur additional costs.
What needs improvement with Rapid7 AppSpider?
For Japanese customers, localization is needed. The product should offer a GUI in Japanese and provide Japanese reports for end-users.
What is your primary use case for Rapid7 AppSpider?
Our clients use AppSpider to address security concerns for their websites. It is particularly used by customers who require security assessments.
 

Also Known As

No data available
AppSpider
 

Overview

 

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
Microsoft
Find out what your peers are saying about OWASP Zap vs. Rapid7 AppSpider and other solutions. Updated: February 2026.
881,733 professionals have used our research since 2012.