# Grendel-Scan vs Intruder XSS Scanner: side-by-side comparison (2026)

[Grendel-Scan](https://cybersectools.com/tools/grendel-scan) is a free [security scanning](https://cybersectools.com/categories/security-scanning) solution. [Intruder XSS Scanner](https://cybersectools.com/tools/intruder-xss-scanner) is a commercial [security scanning](https://cybersectools.com/categories/security-scanning) solution by [Intruder](https://cybersectools.com/companies/intruder). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Grendel-Scan | Intruder XSS Scanner |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Security Scanning | Security Scanning |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | – | Intruder |
| Headquarters | – | – |

### Use cases and capabilities

| | Grendel-Scan | Intruder XSS Scanner |
|---|---|---|
| Web Security | Yes | – |
| XSS Scanner | – | Yes |

### Core features

**Grendel-Scan**

No features listed.

**Intruder XSS Scanner**

10 features listed. Sign in on the page to see them.

### Integrations

**Grendel-Scan**

No integrations listed.

**Intruder XSS Scanner**

5 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Grendel-Scan](https://cybersectools.com/tools/grendel-scan) fits if you need to run it on your own servers and you need a free product.
- [Intruder XSS Scanner](https://cybersectools.com/tools/intruder-xss-scanner) fits if you want a cloud product.

## Grendel-Scan vs Intruder XSS Scanner FAQ

Common questions when comparing Grendel-Scan vs Intruder XSS Scanner for security scanning.

### What is the difference between Grendel-Scan and Intruder XSS Scanner?

**Grendel-Scan**: A tool for automated security scanning of web applications and manual penetration testing.

**Intruder XSS Scanner**: XSS vulnerability scanner for web apps and APIs with automated scanning, built by Intruder.

The table above shows where their features, integrations, deployment and company size fit differ.

### Is Grendel-Scan a good alternative to Intruder XSS Scanner?

Often, yes. Grendel-Scan and Intruder XSS Scanner are both Security Scanning products. Key differences: Grendel-Scan is Free while Intruder XSS Scanner is Commercial. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Grendel-Scan vs Jsmon 2.0](https://cybersectools.com/compare/grendel-scan-vs-jsmon-20)
- [Grendel-Scan vs RoboShadow OWASP ZAP Vulnerability Scanner](https://cybersectools.com/compare/grendel-scan-vs-roboshadow-owasp-zap-vulnerability-scanner)
- [Grendel-Scan vs CyCognito Active Security Testing](https://cybersectools.com/compare/cycognito-active-security-testing-vs-grendel-scan)
- [Intruder XSS Scanner vs Jsmon 2.0](https://cybersectools.com/compare/intruder-xss-scanner-vs-jsmon-20)
- [Intruder XSS Scanner vs RoboShadow OWASP ZAP Vulnerability Scanner](https://cybersectools.com/compare/intruder-xss-scanner-vs-roboshadow-owasp-zap-vulnerability-scanner)
- [Intruder XSS Scanner vs CyCognito Active Security Testing](https://cybersectools.com/compare/cycognito-active-security-testing-vs-intruder-xss-scanner)

## Alternatives to each

- [See all Grendel-Scan alternatives](https://cybersectools.com/alternatives/grendel-scan)
- [See all Intruder XSS Scanner alternatives](https://cybersectools.com/alternatives/intruder-xss-scanner)

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Source: https://cybersectools.com/compare/grendel-scan-vs-intruder-xss-scanner

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/grendel-scan.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Grendel-Scan and Intruder XSS Scanner: 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