# AppCheck API Scanner vs ZAP The Zed Attack Proxy: side-by-side comparison (2026)

[AppCheck API Scanner](https://cybersectools.com/tools/appcheck-api-scanner) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [AppCheck](https://cybersectools.com/companies/appcheck). [ZAP The Zed Attack Proxy](https://cybersectools.com/tools/zap-the-zed-attack-proxy) is a free [dynamic application security testing](https://cybersectools.com/categories/dast) solution. Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

| | AppCheck API Scanner | ZAP The Zed Attack Proxy |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Dynamic Application Security Testing | Dynamic Application Security Testing |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 14,060 |
| Last commit | – | Sep 2025 |
| Company | AppCheck | – |
| Headquarters | – | – |

### Use cases and capabilities

| | AppCheck API Scanner | ZAP The Zed Attack Proxy |
|---|---|---|
| DAST | Yes | – |
| OWASP | Yes | – |
| REST API | Yes | – |
| WAF | Yes | – |
| Web Security | – | Yes |
| Proxy | – | Yes |
| Open Source | – | Yes |

### Core features

**AppCheck API Scanner**

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

**ZAP The Zed Attack Proxy**

No features listed.

### Integrations

**AppCheck API Scanner**

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

**ZAP The Zed Attack Proxy**

No integrations listed.

## Which one fits you

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

- [AppCheck API Scanner](https://cybersectools.com/tools/appcheck-api-scanner) fits if you want a cloud product.
- [ZAP The Zed Attack Proxy](https://cybersectools.com/tools/zap-the-zed-attack-proxy) fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product.

## AppCheck API Scanner vs ZAP The Zed Attack Proxy FAQ

Common questions when comparing AppCheck API Scanner vs ZAP The Zed Attack Proxy for dynamic application security testing.

### What is the difference between AppCheck API Scanner and ZAP The Zed Attack Proxy?

**AppCheck API Scanner**: API vulnerability scanner with support for REST, SOAP, and GraphQL APIs. Built by AppCheck.

**ZAP The Zed Attack Proxy**: ZAP is an open-source web application security scanner that helps identify vulnerabilities through automated scanning and manual testing capabilities.

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

### Who makes AppCheck API Scanner and ZAP The Zed Attack Proxy?

**AppCheck API Scanner** is made by AppCheck. **ZAP The Zed Attack Proxy** is open-source with 14,060 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is AppCheck API Scanner a good alternative to ZAP The Zed Attack Proxy?

Often, yes. AppCheck API Scanner and ZAP The Zed Attack Proxy are both Dynamic Application Security Testing products. Key differences: AppCheck API Scanner is Commercial while ZAP The Zed Attack Proxy is Free, ZAP The Zed Attack Proxy is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [AppCheck API Scanner vs Tenable One Web App Scanning](https://cybersectools.com/compare/appcheck-api-scanner-vs-tenable-web-app-scanning)
- [AppCheck API Scanner vs Secure Blink ThreatSpy](https://cybersectools.com/compare/appcheck-api-scanner-vs-secure-blink-threatspy)
- [AppCheck API Scanner vs ImmuniWeb® Neuron](https://cybersectools.com/compare/appcheck-api-scanner-vs-immuniwebr-neuron)
- [ZAP The Zed Attack Proxy vs Tenable One Web App Scanning](https://cybersectools.com/compare/tenable-web-app-scanning-vs-zap-the-zed-attack-proxy)
- [ZAP The Zed Attack Proxy vs Secure Blink ThreatSpy](https://cybersectools.com/compare/secure-blink-threatspy-vs-zap-the-zed-attack-proxy)
- [ZAP The Zed Attack Proxy vs ImmuniWeb® Neuron](https://cybersectools.com/compare/immuniwebr-neuron-vs-zap-the-zed-attack-proxy)

## Alternatives to each

- [See all AppCheck API Scanner alternatives](https://cybersectools.com/alternatives/appcheck-api-scanner)
- [See all ZAP The Zed Attack Proxy alternatives](https://cybersectools.com/alternatives/zap-the-zed-attack-proxy)

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Source: https://cybersectools.com/compare/appcheck-api-scanner-vs-zap-the-zed-attack-proxy

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