# crt.guru vs watchTowr Platform: side-by-side comparison (2026)

[crt.guru](https://cybersectools.com/tools/crtguru) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Crt.guru](https://cybersectools.com/companies/crtguru). [watchTowr Platform](https://cybersectools.com/tools/watchtowr-platform) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [watchTowr](https://cybersectools.com/companies/watchtowr). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more.

## Side-by-side comparison

| | crt.guru | watchTowr Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Crt.guru | watchTowr |
| Headquarters | – | – |

### Use cases and capabilities

| | crt.guru | watchTowr Platform |
|---|---|---|
| TLS | Yes | – |
| SSL | Yes | – |
| PCI DSS | Yes | – |
| NIST | Yes | – |
| Security Scanning | Yes | – |
| Alerting | Yes | – |
| Security Compliance Training | Yes | – |
| Security Reporting | Yes | – |
| Vulnerability | Yes | – |
| REST API | Yes | – |
| Continuous Testing | – | Yes |

### Core features

**crt.guru**

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

**watchTowr Platform**

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

### Integrations

**crt.guru**

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

**watchTowr Platform**

47 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.

- [crt.guru](https://cybersectools.com/tools/crtguru) fits if you are a startup or a small business.

## crt.guru vs watchTowr Platform FAQ

Common questions when comparing crt.guru vs watchTowr Platform for external attack surface management.

### What is the difference between crt.guru and watchTowr Platform?

**crt.guru**: External TLS cert monitoring with expiry alerts, vuln scanning & compliance reports. Built by Crt.guru.

**watchTowr Platform**: External attack surface management with continuous security testing. Built by watchTowr.

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

### Who makes crt.guru and watchTowr Platform?

**crt.guru** is made by Crt.guru. **watchTowr Platform** is made by watchTowr. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is crt.guru a good alternative to watchTowr Platform?

Often, yes. crt.guru and watchTowr Platform are both External Attack Surface Management products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [crt.guru vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-crtguru)
- [crt.guru vs Assetnote Exposure Engine](https://cybersectools.com/compare/assetnote-exposure-engine-vs-crtguru)
- [crt.guru vs SurfaceDiff](https://cybersectools.com/compare/crtguru-vs-surfacediff)
- [watchTowr Platform vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-watchtowr-platform)
- [watchTowr Platform vs Assetnote Exposure Engine](https://cybersectools.com/compare/assetnote-exposure-engine-vs-watchtowr-platform)
- [watchTowr Platform vs SurfaceDiff](https://cybersectools.com/compare/surfacediff-vs-watchtowr-platform)

## Alternatives to each

- [See all crt.guru alternatives](https://cybersectools.com/alternatives/crtguru)
- [See all watchTowr Platform alternatives](https://cybersectools.com/alternatives/watchtowr-platform)

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Source: https://cybersectools.com/compare/crtguru-vs-watchtowr-platform

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

More on crt.guru and watchTowr Platform: 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