OWASP Zap vs Rapid7 AppSpider comparison

OWASP and Rapid7 are both solutions in the Static Application Security Testing (SAST) category. OWASP is ranked #11 with an average rating of 8.0, while Rapid7 is ranked #32. OWASP holds a 4.7% mindshare in SAST, compared to Rapid7’s 0.5% mindshare. Additionally, 88% of OWASP users are willing to recommend the solution, compared to 100% of Rapid7 users who would recommend it.

OWASP Zap

Read 41 OWASP Zap reviews

8,982 Views
8,174 Comparison Views

88% willing to recommend

Rapid7 AppSpider

Read 14 Rapid7 AppSpider reviews

1,439 Views
763 Comparison Views

100% willing to recommend

OWASP Zap

Rapid7 AppSpider

Comparison Buyer's Guide

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Executive SummaryUpdated on Oct 8, 2024

OWASP Zap and Rapid7 AppSpider are prominent tools in the security software category. Based on feature offerings and support, Rapid7 AppSpider holds the upper hand due to its advanced features and professional support, appealing to enterprise users willing to invest for better security solutions.

Features: OWASP Zap is free and open-source with extensive community-driven features, making it suitable for small teams. It offers wide-ranging support for different scanning configurations and customizable alerts. Rapid7 AppSpider provides advanced automation, user-friendly dashboards, and enhanced vulnerability identification, catering to organizations needing comprehensive security capabilities.

Room for Improvement: OWASP Zap could enhance scanning speed, user configurations, and integration support. Rapid7 AppSpider needs to address integration enhancements, improve the accuracy of scan results by reducing false positives, and streamline its user interface for more intuitive navigation.

Ease of Deployment and Customer Service: OWASP Zap supports straightforward deployment with minimal setup requirements, though it lacks dedicated customer support. Rapid7 AppSpider involves a more intricate deployment process but provides professional support, making it attractive to enterprises seeking reliable customer service resources.

Pricing and ROI: OWASP Zap, as an open-source tool, offers low setup costs and the potential for high ROI with adequate user expertise. Rapid7 AppSpider requires a higher investment due to its commercial nature but promises strong ROI through its feature set and comprehensive support, which can be appealing for large enterprises.

To learn more, read our detailed OWASP Zap vs. Rapid7 AppSpider Report (Updated: July 2025).

Buyer's Guide

OWASP Zap vs. Rapid7 AppSpider

July 2025

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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

Rapid7 AppSpider

Ranking in Static Application Security Testing (SAST)

32nd

Average Rating

7.8

Reviews Sentiment

6.7

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of August 2025, in the Static Application Security Testing (SAST) category, the mindshare of OWASP Zap is 4.7%, up from 4.7% compared to the previous year. The mindshare of Rapid7 AppSpider is 0.5%, up from 0.5% 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

Rizwan-Alam

Head Information Security at Akhtar Fuiou Technologies

Easy automated web app scanning, but gives many false positives and isn't always stable

One of the challenges I have with AppSpider is that it gives you a lot of false positives, especially when compared to other solutions. This is the main aspect that I hope to see Rapid7 improve on. Beyond reducing false positives, I would also like to see them implement better reporting features, particularly in the executive summary type of reports which need to be user-friendly and easily understood by non-technical people. The recommendations and solutions on these reports could always be improved to make them more relevant, too. Lastly, the stability isn't that great, and sometimes it becomes non-responsive. I feel like the stability of the application is very average and currently needs more work.

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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

"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 scans while you navigate, then you can save the requests performed and work with them later."

"The HUD is a good feature that provides on-site testing and saves a lot of time."

"This solution has improved my organization because it has made us feel safer doing frequent deployments for web applications. If we have something really big, we might get some professional company in to help us but if we're releasing small products, we will check it ourselves with Zap. It makes it easier and safer."

"ZAP is easy to use. The automated scan is a powerful feature. You can simulate attacks with various parameters. ZAP integrates well with SonarQube."

"Simple and easy to learn and master."

"The API is exceptional."

"The community edition updates services regularly. They add new vulnerabilities into the scanning list."

More OWASP Zap pros

"It scans all the components developed within a web application."

"I would say that it is stable, as I am not aware of any major issues."

"The most valuable feature of Rapid7 AppSpider is the vulnerability reporting data. Additionally, the data is reported in a convenient way rather than seeing them as a PDF. We are able to generate all the reports exactly what we want in a flexible way."

"One of the most valuable features of AppSpider is its broad range of authentication identification, which is a key reason for its utilization."

"The initial deployment is very straightforward and simple. The product is stable if configured properly."

"It is really accurate and the rate of false positives is very low."

"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."

More Rapid7 AppSpider pros

Cons

"The technical support team must be proactive."

"The documentation needs to be improved because I had to learn everything from watching YouTube videos."

"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."

"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."

"For scalability, I would rate OWASP Zap between four to five out of ten."

"It would be beneficial to enhance the algorithm to provide better summaries of automatic scanning results."

"I'd like to see a kind of feature where we can just track what our last vulnerability was and how it has improved or not. More reports that can have some kind of base-lining, I think that would be a good feature too. I'm not sure whether it can be achieved and implement but I think that would really help."

"When comparing OWASP Zap and Burp Suite, the main difference besides pricing is that OWASP Zap has limitations with reporting levels and UI, which affects its reporting capabilities, whereas Burp Suite is already advancing with new AI features and scanning capabilities that OWASP Zap seems to be lacking."

More OWASP Zap cons

"The enterprise interface is too simple. It should be more customizable."

"Integration could be better."

"AppSpider has some problems with the RAM needed while scanning."

"There are some glitches with stability, and it is an area for 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."

"For Japanese customers, localization is needed. The product should offer a GUI in Japanese and provide Japanese reports for end-users."

"This price of this solution is a little bit expensive."

"The dashboard and interface are crucial and they need some improvement."

More Rapid7 AppSpider cons

Pricing and Cost Advice

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

"This app is completely free and open source. So there is no question about any pricing."

"OWASP Zap is free to use."

"The tool is open-source."

"As Zap is free and open-source, with tons of features similar to those of commercial solutions, I would definitely recommend trying it out."

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

"The solution’s pricing is high."

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

More OWASP Zap pricing and cost advice

"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."

"It is expensive if you want to buy the Enterprise version that is able to scan multiple applications at once."

"The licensing cost depends on the number of users."

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Top Industries

By visitors reading reviews

Computer Software Company

17%

Financial Services Firm

11%

Manufacturing Company

University

Financial Services Firm

14%

Computer Software Company

11%

Manufacturing Company

10%

Government

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

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

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.

See all answers

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.

See all answers

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.

See all answers

Comparisons

SonarQube Server (formerly SonarQube) vs OWASP Zap

Compared 19% of the time

Acunetix vs OWASP Zap

Compared 14% of the time

Checkmarx One vs OWASP Zap

Compared 11% of the time

Qualys Web Application Scanning vs OWASP Zap

Compared 9% of the time

Veracode vs OWASP Zap

Compared 8% of the time

More OWASP Zap Competitors

Rapid7 InsightAppSec vs Rapid7 AppSpider

Compared 37% of the time

SonarQube Server (formerly SonarQube) vs Rapid7 AppSpider

Compared 11% of the time

Acunetix vs Rapid7 AppSpider

Compared 10% of the time

PortSwigger Burp Suite Professional vs Rapid7 AppSpider

Compared 7% of the time

Invicti vs Rapid7 AppSpider

Compared 6% of the time

More Rapid7 AppSpider Competitors

Product Reports

Buyer's Guide

OWASP Zap

August 2025

Download OWASP Zap product report

Buyer's Guide

Rapid7 AppSpider

August 2025

Download Rapid7 AppSpider product report

Also Known As

No data available

AppSpider

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

SPAs, APIs, mobile—the evolution of application technology is measured in months, not years. Is your web application security testing tool designed to keep up? AppSpider lets you collect all the information needed to test all the apps so that you aren’t left with gaping application risks.

Our dynamic application security testing (DAST) solution crawls to the deepest, darkest corners of even the most modern and complex apps to effectively test for risk and get you the insight you need to remediate faster. With AppSpider on your side (or, rather, all of your sides), you’ll be able to scan all the apps today and always be ready for whatever comes next.

Rapid7

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

Buyer's Guide

OWASP Zap vs. Rapid7 AppSpider

July 2025

Free Report: OWASP Zap vs. Rapid7 AppSpider

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