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GuardRails vs OWASP Zap comparison

 

Comparison Buyer's Guide

Executive Summary

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

GuardRails
Ranking in Static Application Security Testing (SAST)
24th
Average Rating
8.0
Reviews Sentiment
9.2
Number of Reviews
2
Ranking in other categories
DevSecOps (14th)
OWASP Zap
Ranking in Static Application Security Testing (SAST)
16th
Average Rating
7.6
Reviews Sentiment
7.3
Number of Reviews
41
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of July 2026, in the Static Application Security Testing (SAST) category, the mindshare of GuardRails is 0.5%, up from 0.1% compared to the previous year. The mindshare of OWASP Zap is 2.8%, down from 5.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Static Application Security Testing (SAST) Mindshare Distribution
ProductMindshare (%)
OWASP Zap2.8%
GuardRails0.5%
Other96.7%
Static Application Security Testing (SAST)
 

Featured Reviews

Sarthak Chavda - PeerSpot reviewer
Trainee at Veefin
Shifted security left and automated pull request checks to improve code hygiene and collaboration
Regarding GuardRails's AI capabilities, its governance and security controls are highly robust, requiring minimal, well-defined, read-only API access to codebases, and the central dashboard provides sufficient visibility into which repositories have high-risk patterns. Adding more advanced role-based access control inside the management panel would be perfect. The accuracy and reliability of GuardRails's output are impressive, with recommendations being highly practical and reliable. While any static analysis platform will yield occasional false positives on edge case logic, GuardRails filters out a lot of standard noise compared to legacy tools, making its output highly actionable for developers. The cloud-hosted SaaS deployment of GuardRails is used, which integrates directly with the managed version control system via secure OAuth webhooks. GuardRails is deployed on AWS as the cloud provider. GuardRails was purchased directly through a vendor rather than through the AWS Marketplace. GuardRails integrates with existing CI/CD tools and workflows by instantly connecting with version control systems like GitHub, GitLab, and Bitbucket via OAuth or app. GuardRails handles compliance requirements by being audit-ready, tracking, and automatically logging the security result of every commit and pull request, providing auditors with permanent, tamper-proof documentation of continuous code governance, industry framework mapping, proactive cloud safeguard, and data privacy gardening. Its sovereign and air-gapped deployment even offers an on-premise model, allowing highly regulated enterprises to keep all scanning data within their own network boundaries to meet strict data residence laws. GuardRails supports the team in onboarding new developers and training them on secure coding practices by having zero local setup. It hooks directly into repository layers, so engineers do not have to install any local CLI tools or IDE. Regarding open-source dependency scanning and vulnerability management, GuardRails provides deep dependency tracking that scans package managers and lock files to automatically uncover security flaws in both direct and deeply nested open-source libraries, including automated SBOM generation, real-time CVE spotting, upgrade guidance, license compliance checks, and monitoring of open-source licensing models in real time to prevent legally problematic copyleft compliance issues from compromising proprietary source. GuardRails supports collaboration between security and development teams by becoming the unified source of truth that bridges the organizational gap, providing a single platform where the security team sets high-level governance policy and development teams view daily actionable code. This removes the security cop friction and streamlines exception triage with shared responsibility models. My advice to others looking into using GuardRails is to start by activating it on the most critical repository first, working closely with engineering leads to establish a clear baseline for what counts as a breaking vulnerability, tuning the initial rule set to fit workflows, and then rolling out across the organization. I would rate GuardRails an eight out of ten.
Amit Beniwal - PeerSpot reviewer
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.

Quotes from Members

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

Pros

"GuardRails has positively impacted the organization by fostering a collaborative DevSecOps culture, where developers actively fix security issues as they write code, leading to massive improvements in code hygiene and the DevOps team spending significantly less time reviewing code configuration vulnerabilities after deployment."
"We have achieved roughly a forty percent reduction in production-level vulnerabilities and eliminated accidental credential leaks into our Git history entirely."
"The most valuable feature is the spidering because, being a security person, it is very important for me to know each and every section of that application, so we cannot afford to miss any single web page or any single link on a particular website."
"It updates repositories and libraries quickly."
"Simple and easy to learn and master."
"OWASP is quite matured in identifying the vulnerabilities."
"The ZAP scan and code crawler are valuable features."
"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."
"OWASP is the best."
 

Cons

"To improve GuardRails, more granular customization options for exclusions would be beneficial, especially when dealing with legacy codebases where certain non-critical alerts should be ignored without disabling an entire scanning engine."
"The documentation needs to be improved because I had to learn everything from watching YouTube videos."
"Lacks resources where users can internally access a learning module from the tool."
"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."
"While the solution can scale to a certain extent, it cannot scale a lot."
"The port scanner is a little too slow.​"
"The reporting feature could be more descriptive."
"They stopped their support for a short period. They've recently started to come back again. In the early days, support was much better."
"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."
 

Pricing and Cost Advice

Information not available
"It is highly recommended as it is an open source tool."
"The solution’s pricing is high."
"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."
"As Zap is free and open-source, with tons of features similar to those of commercial solutions, I would definitely recommend trying it out."
"It's free. It's good for us because we don't know what the extent of our use will be yet. It's good to start with something free and easy to use."
"This app is completely free and open source. So there is no question about any pricing."
"This is an open-source solution and can be used free of charge."
"It is open source, and we can scan freely."
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Top Industries

By visitors reading reviews
No data available
Computer Software Company
10%
Financial Services Firm
9%
University
9%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise11
Large Enterprise22
 

Questions from the Community

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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 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 needs improvement with OWASP Zap?
The improvement that has to be done for APIs focuses on manual activities where the feature exists, but it is not at the same level as what Burp Suite does with intercepting and tools such as Postm...
 

Comparisons

 

Overview

 

Sample Customers

Information Not Available
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
Find out what your peers are saying about SonarSource Sàrl, Checkmarx, Veracode and others in Static Application Security Testing (SAST). Updated: June 2026.
902,894 professionals have used our research since 2012.