# ctlogs.dev vs Outpost24 CyberFlex: 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). [Outpost24 CyberFlex](https://cybersectools.com/tools/outpost24-cyberflex) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Outpost24](https://cybersectools.com/companies/outpost24). Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

| | ctlogs.dev | Outpost24 CyberFlex |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | Verified | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup | SMB, Mid-Market, Enterprise |
| Company | Apps34 | Outpost24 |
| Headquarters | – | – |

### Use cases and capabilities

| | ctlogs.dev | Outpost24 CyberFlex |
|---|---|---|
| Reconnaissance | Yes | – |
| OSINT | Yes | – |
| SSL | Yes | – |
| TLS | Yes | – |
| REST API | Yes | – |
| Cyber Threat Intelligence | Yes | – |
| DNS Security | Yes | – |
| Attack Detection | Yes | – |
| Subdomain Enumeration | Yes | – |
| Dark Web Monitoring | – | 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

**Outpost24 CyberFlex**

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

### Integrations

**ctlogs.dev**

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

**Outpost24 CyberFlex**

1 integration 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.
- [Outpost24 CyberFlex](https://cybersectools.com/tools/outpost24-cyberflex) fits if you are a small business or a mid-market company or an enterprise.

## ctlogs.dev vs Outpost24 CyberFlex FAQ

Common questions when comparing ctlogs.dev vs Outpost24 CyberFlex for external attack surface management.

### What is the difference between ctlogs.dev and Outpost24 CyberFlex?

**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.

**Outpost24 CyberFlex**: EASM platform combined with PTaaS for web app discovery and testing. Built by Outpost24.

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

### Who makes ctlogs.dev and Outpost24 CyberFlex?

**ctlogs.dev** is made by Apps34. **Outpost24 CyberFlex** is made by Outpost24. 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 Outpost24 CyberFlex?

Often, yes. ctlogs.dev and Outpost24 CyberFlex 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 TRaViS](https://cybersectools.com/compare/ctlogsdev-vs-travis)
- [ctlogs.dev vs GuardEon](https://cybersectools.com/compare/ctlogsdev-vs-guardeon)
- [ctlogs.dev vs ArmorPoint Attack Surface Management](https://cybersectools.com/compare/armorpoint-attack-surface-management-vs-ctlogsdev)
- [Outpost24 CyberFlex vs TRaViS](https://cybersectools.com/compare/outpost24-cyberflex-vs-travis)
- [Outpost24 CyberFlex vs GuardEon](https://cybersectools.com/compare/guardeon-vs-outpost24-cyberflex)
- [Outpost24 CyberFlex vs ArmorPoint Attack Surface Management](https://cybersectools.com/compare/armorpoint-attack-surface-management-vs-outpost24-cyberflex)

## Alternatives to each

- [See all ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev)
- [See all Outpost24 CyberFlex alternatives](https://cybersectools.com/alternatives/outpost24-cyberflex)

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Source: https://cybersectools.com/compare/ctlogsdev-vs-outpost24-cyberflex

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 Outpost24 CyberFlex: 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