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

[Harpoon](https://cybersectools.com/tools/harpoon) 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

| | Harpoon | ImmuniWeb® On-Demand |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Penetration Testing | Penetration Testing |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| GitHub stars | 142 | – |
| Last commit | Oct 2024 | – |
| Company | – | ImmuniWeb |
| Headquarters | – | – |

### Use cases and capabilities

| | Harpoon | ImmuniWeb® On-Demand |
|---|---|---|
| Kubernetes | Yes | – |
| Security Orchestration | Yes | – |
| DevSecOps | – | Yes |
| OWASP | – | Yes |

### Core features

**Harpoon**

No features listed.

**ImmuniWeb® On-Demand**

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

### Integrations

**Harpoon**

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.

- [Harpoon](https://cybersectools.com/tools/harpoon) fits if you need to run it on your own servers, 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 and you are a small business.

## Harpoon vs ImmuniWeb® On-Demand FAQ

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

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

**Harpoon**: A collection of tips and tricks for container and container orchestration hacking and security testing.

**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 Harpoon and ImmuniWeb® On-Demand?

**Harpoon** is open-source with 142 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 Harpoon a good alternative to ImmuniWeb® On-Demand?

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

## Related comparisons

- [Harpoon vs ZeroThreat.ai](https://cybersectools.com/compare/harpoon-vs-zerothreatai)
- [Harpoon vs Aikido Attack](https://cybersectools.com/compare/aikido-attack-vs-harpoon)
- [Harpoon vs NodeZero](https://cybersectools.com/compare/harpoon-vs-nodezero)
- [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 NodeZero](https://cybersectools.com/compare/immuniwebr-on-demand-vs-nodezero)

## Alternatives to each

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

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Source: https://cybersectools.com/compare/harpoon-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/harpoon.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Harpoon 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