# HostileSubBruteforcer vs ImmuniWeb® On-Demand: side-by-side comparison (2026)

[HostileSubBruteforcer](https://cybersectools.com/tools/hostilesubbruteforcer) is a free [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution. [ImmuniWeb® On-Demand](https://cybersectools.com/tools/immuniwebr-on-demand) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [ImmuniWeb](https://cybersectools.com/companies/immuniweb). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | HostileSubBruteforcer | ImmuniWeb® On-Demand |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Penetration Testing | Penetration Testing |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| GitHub stars | 472 | – |
| Last commit | Jul 2017 | – |
| Company | – | ImmuniWeb |
| Headquarters | – | – |

### Use cases and capabilities

| | HostileSubBruteforcer | ImmuniWeb® On-Demand |
|---|---|---|
| Port Scanning | Yes | – |
| Brute Force | Yes | – |
| Subdomain Enumeration | Yes | – |
| DevSecOps | – | Yes |
| OWASP | – | Yes |

### Core features

**HostileSubBruteforcer**

No features listed.

**ImmuniWeb® On-Demand**

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

### Integrations

**HostileSubBruteforcer**

No integrations listed.

**ImmuniWeb® On-Demand**

17 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.

- [HostileSubBruteforcer](https://cybersectools.com/tools/hostilesubbruteforcer) 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.
- [ImmuniWeb® On-Demand](https://cybersectools.com/tools/immuniwebr-on-demand) fits if you want a cloud product.

## HostileSubBruteforcer vs ImmuniWeb® On-Demand FAQ

Common questions when comparing HostileSubBruteforcer vs ImmuniWeb® On-Demand for penetration testing.

### What is the difference between HostileSubBruteforcer and ImmuniWeb® On-Demand?

**HostileSubBruteforcer**: A tool for bruteforcing subdomains of a given domain.

**ImmuniWeb® On-Demand**: ImmuniWeb® On-Demand is a web application penetration testing platform that combines AI-powered automation with manual security testing to provide comprehensive vulnerability assessments and compliance reporting. Built by ImmuniWeb.

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

### Who makes HostileSubBruteforcer and ImmuniWeb® On-Demand?

**HostileSubBruteforcer** is open-source with 472 GitHub stars. **ImmuniWeb® On-Demand** is made by ImmuniWeb. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is HostileSubBruteforcer a good alternative to ImmuniWeb® On-Demand?

Often, yes. HostileSubBruteforcer and ImmuniWeb® On-Demand are both Penetration Testing products. Key differences: HostileSubBruteforcer is Free while ImmuniWeb® On-Demand is Commercial, HostileSubBruteforcer is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [HostileSubBruteforcer vs ZeroThreat.ai](https://cybersectools.com/compare/hostilesubbruteforcer-vs-zerothreatai)
- [HostileSubBruteforcer vs Aikido Attack](https://cybersectools.com/compare/aikido-attack-vs-hostilesubbruteforcer)
- [HostileSubBruteforcer vs Vulneri Pentest](https://cybersectools.com/compare/hostilesubbruteforcer-vs-vulneri-pentest)
- [ImmuniWeb® On-Demand vs ZeroThreat.ai](https://cybersectools.com/compare/immuniwebr-on-demand-vs-zerothreatai)
- [ImmuniWeb® On-Demand vs Aikido Attack](https://cybersectools.com/compare/aikido-attack-vs-immuniwebr-on-demand)
- [ImmuniWeb® On-Demand vs Vulneri Pentest](https://cybersectools.com/compare/immuniwebr-on-demand-vs-vulneri-pentest)

## Alternatives to each

- [See all HostileSubBruteforcer alternatives](https://cybersectools.com/alternatives/hostilesubbruteforcer)
- [See all ImmuniWeb® On-Demand alternatives](https://cybersectools.com/alternatives/immuniwebr-on-demand)

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Source: https://cybersectools.com/compare/hostilesubbruteforcer-vs-immuniwebr-on-demand

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

More on HostileSubBruteforcer and ImmuniWeb® On-Demand: 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