# PentOne vs Whonow: side-by-side comparison (2026)

[PentOne](https://cybersectools.com/tools/pentone) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [Pentone](https://cybersectools.com/companies/pentone). [Whonow](https://cybersectools.com/tools/whonow) is a free [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | PentOne | Whonow |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Penetration Testing | Penetration Testing |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise, Startup | Mid-Market, Enterprise |
| GitHub stars | – | 654 |
| Last commit | – | Jun 2018 |
| Company | Pentone | – |
| Headquarters | – | – |

### Use cases and capabilities

| | PentOne | Whonow |
|---|---|---|
| VAPT | Yes | – |
| Web Security | Yes | – |
| Security Reporting | Yes | – |
| Vulnerability | Yes | – |
| Red Team | Yes | – |
| Security Audit | Yes | – |
| Server | – | Yes |
| DNS Rebinding | – | Yes |

### Core features

**PentOne**

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

**Whonow**

No features listed.

### Integrations

**PentOne**

1 integration listed. Sign in on the page to see them.

**Whonow**

No integrations listed.

## Which one fits you

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

- [PentOne](https://cybersectools.com/tools/pentone) fits if you want a cloud product and you are a startup or a small business.
- [Whonow](https://cybersectools.com/tools/whonow) fits if you need to run it on your own servers, you need a free product and you want an open-source product.

## PentOne vs Whonow FAQ

Common questions when comparing PentOne vs Whonow for penetration testing.

### What is the difference between PentOne and Whonow?

**PentOne**: AI-native VAPT operating system for pentest teams: from scan ingestion to final report. Built by Pentone.

**Whonow**: A malicious DNS server that executes DNS Rebinding attacks on-demand to bypass same-origin policy restrictions and access internal network resources.

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

### Who makes PentOne and Whonow?

**PentOne** is made by Pentone founded in 2024-01-01T00:00:00.000Z. **Whonow** is open-source with 654 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is PentOne a good alternative to Whonow?

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

## Related comparisons

- [PentOne vs SECWATCH Pietje Precies-Pentest](https://cybersectools.com/compare/pentone-vs-secwatch-pietje-precies-pentest)
- [PentOne vs Strike Human-Led Pentesting](https://cybersectools.com/compare/pentone-vs-strike-human-led-pentesting)
- [PentOne vs JAG Cybersecurity Pentesting / Ethical Hacking](https://cybersectools.com/compare/jag-cybersecurity-pentesting-ethical-hacking-vs-pentone)
- [Whonow vs SECWATCH Pietje Precies-Pentest](https://cybersectools.com/compare/secwatch-pietje-precies-pentest-vs-whonow)
- [Whonow vs Strike Human-Led Pentesting](https://cybersectools.com/compare/strike-human-led-pentesting-vs-whonow)
- [Whonow vs JAG Cybersecurity Pentesting / Ethical Hacking](https://cybersectools.com/compare/jag-cybersecurity-pentesting-ethical-hacking-vs-whonow)

## Alternatives to each

- [See all PentOne alternatives](https://cybersectools.com/alternatives/pentone)
- [See all Whonow alternatives](https://cybersectools.com/alternatives/whonow)

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Source: https://cybersectools.com/compare/pentone-vs-whonow

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

More on PentOne and Whonow: 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