# SurfaceDiff vs Wappalyzer: side-by-side comparison (2026)

[SurfaceDiff](https://cybersectools.com/tools/surfacediff) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [SurfaceDiff](https://cybersectools.com/companies/surfacediff). [Wappalyzer](https://cybersectools.com/tools/wappalyzer) is a free [external attack surface management](https://cybersectools.com/categories/external-asm) solution. 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

| | SurfaceDiff | Wappalyzer |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | SurfaceDiff | – |
| Headquarters | – | – |

### Use cases and capabilities

| | SurfaceDiff | Wappalyzer |
|---|---|---|
| DNS Security | Yes | – |
| Port Scanning | Yes | – |
| TLS | Yes | – |
| Subdomain Enumeration | Yes | – |
| Network Scanning | Yes | – |
| Security Scanning | Yes | – |
| Alerting | Yes | – |
| Reconnaissance | Yes | Yes |
| Visibility | Yes | – |
| Web Security | Yes | – |

### Core features

**SurfaceDiff**

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

**Wappalyzer**

No features listed.

## Which one fits you

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

- [Wappalyzer](https://cybersectools.com/tools/wappalyzer) fits if you need a free product.

## SurfaceDiff vs Wappalyzer FAQ

Common questions when comparing SurfaceDiff vs Wappalyzer for external attack surface management.

### What is the difference between SurfaceDiff and Wappalyzer?

**SurfaceDiff**: Continuous external attack surface monitoring that shows what changed between scans, built by SurfaceDiff.

**Wappalyzer**: A technology lookup and lead generation tool that identifies the technology stack of any website and provides features for market research, competitor analysis, and data enrichment.

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

### Is SurfaceDiff a good alternative to Wappalyzer?

Often, yes. SurfaceDiff and Wappalyzer are both External Attack Surface Management products, and both cover Reconnaissance. Key differences: SurfaceDiff is Commercial while Wappalyzer is Free. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [SurfaceDiff vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-surfacediff)
- [SurfaceDiff vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-surfacediff)
- [SurfaceDiff vs Trickest ASM - Attack Surface Management](https://cybersectools.com/compare/surfacediff-vs-trickest-asm-attack-surface-management)
- [Wappalyzer vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-wappalyzer)
- [Wappalyzer vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-wappalyzer)
- [Wappalyzer vs Trickest ASM - Attack Surface Management](https://cybersectools.com/compare/trickest-asm-attack-surface-management-vs-wappalyzer)

## Alternatives to each

- [See all SurfaceDiff alternatives](https://cybersectools.com/alternatives/surfacediff)
- [See all Wappalyzer alternatives](https://cybersectools.com/alternatives/wappalyzer)

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Source: https://cybersectools.com/compare/surfacediff-vs-wappalyzer

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

More on SurfaceDiff and Wappalyzer: 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