# Tenable One Web App Scanning vs ZAP The Zed Attack Proxy: side-by-side comparison (2026) [Tenable One Web App Scanning](https://cybersectools.com/tools/tenable-web-app-scanning) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [Tenable](https://cybersectools.com/companies/tenable). [ZAP The Zed Attack Proxy](https://cybersectools.com/tools/zap-the-zed-attack-proxy) is a free [dynamic application security testing](https://cybersectools.com/categories/dast) solution. Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [Tenable One Web App Scanning](https://cybersectools.com/tools/tenable-web-app-scanning) Best for: Teams already using Tenable for vulnerability scanning It belongs here because it adds web app testing to the Tenable products many teams already use for vulnerability scanning, so web findings sit next to the rest. It fits teams of any size already on Tenable One or Security Center. Its listed integrations are all Tenable products, so if you want a scan on every release, ask how it connects to your CI/CD pipeline and ticketing. From [Best DAST Solutions for Business](https://cybersectools.com/shortlists/best-dast-solutions), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). Need the answer fast? [Best DAST Solutions for Business](https://cybersectools.com/shortlists/best-dast-solutions) picks PortSwigger Burp Suite DAST, Invicti DAST, Rapid7 InsightAppSec and 4 more. ## Side-by-side comparison | | Tenable One Web App Scanning | ZAP The Zed Attack Proxy | |---|---|---| | Pricing model | Commercial | Free | | Category | Dynamic Application Security Testing | Dynamic Application Security Testing | | Verified | No | No | | Deployment type | Hybrid | On-Premises | | Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | GitHub stars | – | 14,060 | | Last commit | – | Sep 2025 | | Company | Tenable | – | | Headquarters | – | – | ### Use cases and capabilities | | Tenable One Web App Scanning | ZAP The Zed Attack Proxy | |---|---|---| | CI/CD | Yes | – | | DAST | Yes | – | | OWASP | Yes | – | | Web Security | Yes | Yes | | Proxy | – | Yes | | Open Source | – | Yes | ### Core features **Tenable One Web App Scanning** 10 features listed. Sign in on the page to see them. **ZAP The Zed Attack Proxy** No features listed. ### Integrations **Tenable One Web App Scanning** 7 integrations listed. Sign in on the page to see them. **ZAP The Zed Attack Proxy** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Tenable One Web App Scanning](https://cybersectools.com/tools/tenable-web-app-scanning) fits if you need both cloud and on-premises options. - [ZAP The Zed Attack Proxy](https://cybersectools.com/tools/zap-the-zed-attack-proxy) fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product. ## Tenable One Web App Scanning vs ZAP The Zed Attack Proxy FAQ Common questions when comparing Tenable One Web App Scanning vs ZAP The Zed Attack Proxy for dynamic application security testing. ### What is the difference between Tenable One Web App Scanning and ZAP The Zed Attack Proxy? **Tenable One Web App Scanning**: DAST solution for web apps and APIs with automated scanning capabilities. Built by Tenable. **ZAP The Zed Attack Proxy**: ZAP is an open-source web application security scanner that helps identify vulnerabilities through automated scanning and manual testing capabilities. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Tenable One Web App Scanning and ZAP The Zed Attack Proxy? **Tenable One Web App Scanning** is made by Tenable. **ZAP The Zed Attack Proxy** is open-source with 14,060 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Tenable One Web App Scanning a good alternative to ZAP The Zed Attack Proxy? Often, yes. Tenable One Web App Scanning and ZAP The Zed Attack Proxy are both Dynamic Application Security Testing products, and both cover Web Security. Key differences: Tenable One Web App Scanning is Commercial while ZAP The Zed Attack Proxy is Free, ZAP The Zed Attack Proxy is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Tenable One Web App Scanning vs ImmuniWeb® Neuron](https://cybersectools.com/compare/immuniwebr-neuron-vs-tenable-web-app-scanning) - [Tenable One Web App Scanning vs VulnSign Dynamic Application Security Testing](https://cybersectools.com/compare/tenable-web-app-scanning-vs-vulnsign-dynamic-application-security-testing) - [Tenable One Web App Scanning vs Astra Security DAST Scanner](https://cybersectools.com/compare/astra-security-dast-scanner-vs-tenable-web-app-scanning) - [ZAP The Zed Attack Proxy vs ImmuniWeb® Neuron](https://cybersectools.com/compare/immuniwebr-neuron-vs-zap-the-zed-attack-proxy) - [ZAP The Zed Attack Proxy vs VulnSign Dynamic Application Security Testing](https://cybersectools.com/compare/vulnsign-dynamic-application-security-testing-vs-zap-the-zed-attack-proxy) - [ZAP The Zed Attack Proxy vs Astra Security DAST Scanner](https://cybersectools.com/compare/astra-security-dast-scanner-vs-zap-the-zed-attack-proxy) ## Alternatives to each - [See all Tenable One Web App Scanning alternatives](https://cybersectools.com/alternatives/tenable-web-app-scanning) - [See all ZAP The Zed Attack Proxy alternatives](https://cybersectools.com/alternatives/zap-the-zed-attack-proxy) --- Source: https://cybersectools.com/compare/tenable-web-app-scanning-vs-zap-the-zed-attack-proxy For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/tenable-web-app-scanning.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Tenable One Web App Scanning and ZAP The Zed Attack Proxy: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md