# ctlogs.dev vs watchTowr Platform: side-by-side comparison (2026)

[ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Apps34](https://cybersectools.com/companies/apps34). [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.

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## Side-by-side comparison

| | ctlogs.dev | watchTowr Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | Verified | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup | Mid-Market, Enterprise |
| Company | Apps34 | watchTowr |
| Headquarters | – | – |

### Use cases and capabilities

| | ctlogs.dev | watchTowr Platform |
|---|---|---|
| Reconnaissance | Yes | – |
| OSINT | Yes | – |
| SSL | Yes | – |
| TLS | Yes | – |
| REST API | Yes | – |
| Cyber Threat Intelligence | Yes | – |
| DNS Security | Yes | – |
| Attack Detection | Yes | – |
| Subdomain Enumeration | Yes | – |
| Continuous Testing | – | Yes |

### Core features

**ctlogs.dev**

- Real-time Certificate Transparency Search
- Automated Subdomain Enumeration
- High-Performance REST JSON API
- Wildcard & Fingerprint Matching
- SSL/TLS Certificate History Tracking
- Attack Surface Mapping
- Historical Log Archiving
- Instant Domain & Issuer Filtering

**watchTowr Platform**

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

### Integrations

**ctlogs.dev**

- REST API
- cURL
- Python
- JSON
- Webhooks
- SIEM

**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.

- [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) fits if you are a startup.
- [watchTowr Platform](https://cybersectools.com/tools/watchtowr-platform) fits if you are a mid-market company or an enterprise.

## ctlogs.dev vs watchTowr Platform FAQ

Common questions when comparing ctlogs.dev vs watchTowr Platform for external attack surface management.

### What is the difference between ctlogs.dev and watchTowr Platform?

**ctlogs.dev**: Fast Certificate Transparency search and JSON API for subdomain reconnaissance. Built by Apps34. Core capabilities include Real-time Certificate Transparency Search, Automated Subdomain Enumeration, High-Performance REST JSON API.

**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 ctlogs.dev and watchTowr Platform?

**ctlogs.dev** is made by Apps34. **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 ctlogs.dev a good alternative to watchTowr Platform?

Often, yes. ctlogs.dev 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

- [ctlogs.dev vs SurfaceDiff](https://cybersectools.com/compare/ctlogsdev-vs-surfacediff)
- [ctlogs.dev vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-ctlogsdev)
- [ctlogs.dev vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ctlogsdev-vs-ddactic-attack-surface-discovery)
- [watchTowr Platform vs SurfaceDiff](https://cybersectools.com/compare/surfacediff-vs-watchtowr-platform)
- [watchTowr Platform vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-watchtowr-platform)
- [watchTowr Platform vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-watchtowr-platform)

## Alternatives to each

- [See all ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev)
- [See all watchTowr Platform alternatives](https://cybersectools.com/alternatives/watchtowr-platform)

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

More on ctlogs.dev 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