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Tenable.io Web Application Scanning vs w3af 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

Tenable.io Web Application ...
Ranking in Application Security Tools
22nd
Average Rating
7.8
Reviews Sentiment
5.8
Number of Reviews
18
Ranking in other categories
No ranking in other categories
w3af
Ranking in Application Security Tools
42nd
Average Rating
8.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2026, in the Application Security Tools category, the mindshare of Tenable.io Web Application Scanning is 1.4%, up from 1.2% compared to the previous year. The mindshare of w3af is 0.7%, up from 0.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Security Tools Mindshare Distribution
ProductMindshare (%)
Tenable.io Web Application Scanning1.4%
w3af0.7%
Other97.9%
Application Security Tools
 

Featured Reviews

HL
Security Analyst at TOPNET
Web audits have identified vulnerabilities and now provide clear visibility into compliance gaps
We have experience with Tenable.io Web Application Scanning, and we use it as well; we have approximately ten licenses for web application scanning. We use it to find vulnerabilities, but Tenable.io Web Application Scanning does not include remediation; we remediate with other products. We use the…
OS
Information Security Advisor, CISO & CIO, Docutek Services at Docutek Services
It's buggy and seems to try to do too many things, but having this on a USB drive has been valuable.
I tried to install this on numerous systems and eventually, with help, I got it running. It needs far too many dependencies installed and there's too much messing about to be of much use. Once running, it's buggy and begs the question can it be relied upon? Even within Kali it reports website time-outs, yet Zap or Burp are able to do a successful scan. I wanted this to work so much and be able to use it as an additional check of my results but have now binned it.

Quotes from Members

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

Pros

"I think Tenable.io Web Application Scanning is the best option on the market at the moment."
"The solution's instant reports feature is the most effective for detecting threats."
"Our customers adopt this solution because of the replication testing and the vulnerability assessment it can do. It is a multi-faceted product."
"Our primary use case for the solution is automated scanning; it doesn't require scripting knowledge or any of those suites or other tools, so it is fully automated, and we provide the credentials and URL and the tool does all scanning and will show the result per the requirement."
"The most valuable features of Tenable.io Web Application Scanning are the integration into specific use cases and scanning. All of the features of the solution are useful."
"We use the tool for our websites. We have a vulnerable subdomain. The tool helps to scan it for vulnerabilities."
"The most effective feature of the product is the ability to scan the entire environment."
"I would recommend Tenable.io Web Application Scanning to others."
"The best free software for pen testing web applications."
 

Cons

"The technical support should be improved. Currently, some attacks are detected while others are not."
"The solution's dashboards could be improved and made more user-friendly."
"They have a general dashboard for web application scanning, but the dashboards and reporting can be improved. They probably have some features in their roadmap."
"Tenable.io Web Application Scanning could improve by offering faster fuzzing."
"The cloud and the on-premises versions have their own controllers, and there is no way to centrally manage controllers."
"The technical support needs improvement. Currently, it takes time, which might be due to the free version, but providing some level of support could encourage future purchase decisions."
"The market is standard for vulnerability scanning, however, the posture can be improved through Tenable's prioritization engine."
"I would like for them to add proxy filtering, where you can transfer and alter the package. It is fully automated. Other web application testers programs are actually proxy software, and the proxy software gives you the flexibility of modifying the outgoing package, which will actually help you in exploiting any vulnerability in detail."
"Unfortunately, once you get around the seemingly strict set of pre-requisites to install it, it is incredibly buggy."
 

Pricing and Cost Advice

"For Tenable.io Web Application Scanning, it comes to around 6,50,000 Indian rupees, plus taxes."
"I rate the product's pricing a four out of ten."
"The price of the solution is reasonable compared to the competitors. The license cost is based on the number of users and the annual usage."
"The pricing is okay."
"It follows the same licensing scheme as Tenable.io and Tenable. sc."
"Tenable.io Web Application Scanning is expensive for small businesses."
"The application is extremely affordable. There are no additional costs involved with licensing. We switched to Tenable.io Web Application Scanning from other solutions due to pricing."
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Top Industries

By visitors reading reviews
Financial Services Firm
15%
Manufacturing Company
9%
Comms Service Provider
8%
Computer Software Company
8%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise5
Large Enterprise7
No data available
 

Questions from the Community

What needs improvement with Tenable.io Web Application Scanning?
If there were a solution, I would like to see automation and an integrated remediation solution for vulnerability or patch management.
What advice do you have for others considering Tenable.io Web Application Scanning?
I do not understand what API approach means; I do not understand this term. I think Tenable.io Web Application Scanning is the best option on the market at the moment. My review rating for this pro...
What is your experience regarding pricing and costs for Tenable.io Web Application Scanning?
I think the price is expensive. We do not have an idea of how much we have to pay approximately, but comparing to other products, Tenable.io Web Application Scanning is expensive.
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Overview

 

Sample Customers

IMDEX
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Find out what your peers are saying about SonarSource Sàrl, Checkmarx, Veracode and others in Application Security Tools. Updated: June 2026.
902,270 professionals have used our research since 2012.