# AppCheck SPA Scanner vs CSP Auditor: side-by-side comparison (2026) [AppCheck SPA Scanner](https://cybersectools.com/tools/appcheck-spa-scanner) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [AppCheck](https://cybersectools.com/companies/appcheck). [CSP Auditor](https://cybersectools.com/tools/csp-auditor) 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. Need the answer fast? [Best DAST Solutions for Business](https://cybersectools.com/shortlists/best-dast-solutions) picks PortSwigger Burp Suite DAST, Invicti DAST, Rapid7 InsightAppSec and 4 more. ## Side-by-side comparison | | AppCheck SPA Scanner | CSP Auditor | |---|---|---| | 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 | – | 141 | | Last commit | – | Apr 2020 | | Company | AppCheck | – | | Headquarters | – | – | ### Use cases and capabilities | | AppCheck SPA Scanner | CSP Auditor | |---|---|---| | DAST | Yes | – | | OWASP | Yes | – | | Web Security | Yes | – | | XSS | Yes | – | | Content Security Policy | – | Yes | ### Core features **AppCheck SPA Scanner** 10 features listed. Sign in on the page to see them. **CSP Auditor** No features listed. ### Integrations **AppCheck SPA Scanner** 2 integrations listed. Sign in on the page to see them. **CSP Auditor** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [AppCheck SPA Scanner](https://cybersectools.com/tools/appcheck-spa-scanner) fits if you want a cloud product. - [CSP Auditor](https://cybersectools.com/tools/csp-auditor) 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 SPA Scanner vs CSP Auditor FAQ Common questions when comparing AppCheck SPA Scanner vs CSP Auditor for dynamic application security testing. ### What is the difference between AppCheck SPA Scanner and CSP Auditor? **AppCheck SPA Scanner**: DAST scanner for Single Page Applications using headless browser technology. Built by AppCheck. **CSP Auditor**: A plugin for viewing, detecting weak configurations, and generating Content Security Policy headers. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes AppCheck SPA Scanner and CSP Auditor? **AppCheck SPA Scanner** is made by AppCheck. **CSP Auditor** is open-source with 141 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is AppCheck SPA Scanner a good alternative to CSP Auditor? Often, yes. AppCheck SPA Scanner and CSP Auditor are both Dynamic Application Security Testing products. Key differences: AppCheck SPA Scanner is Commercial while CSP Auditor is Free, CSP Auditor is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [AppCheck SPA Scanner vs Halo Security Application Scanning](https://cybersectools.com/compare/appcheck-spa-scanner-vs-halo-security-application-scanning) - [AppCheck SPA Scanner vs VulnSign Dynamic Application Security Testing](https://cybersectools.com/compare/appcheck-spa-scanner-vs-vulnsign-dynamic-application-security-testing) - [AppCheck SPA Scanner vs Tenable One Web App Scanning](https://cybersectools.com/compare/appcheck-spa-scanner-vs-tenable-web-app-scanning) - [CSP Auditor vs Halo Security Application Scanning](https://cybersectools.com/compare/csp-auditor-vs-halo-security-application-scanning) - [CSP Auditor vs VulnSign Dynamic Application Security Testing](https://cybersectools.com/compare/csp-auditor-vs-vulnsign-dynamic-application-security-testing) - [CSP Auditor vs Tenable One Web App Scanning](https://cybersectools.com/compare/csp-auditor-vs-tenable-web-app-scanning) ## Alternatives to each - [See all AppCheck SPA Scanner alternatives](https://cybersectools.com/alternatives/appcheck-spa-scanner) - [See all CSP Auditor alternatives](https://cybersectools.com/alternatives/csp-auditor) --- Source: https://cybersectools.com/compare/appcheck-spa-scanner-vs-csp-auditor For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/appcheck-spa-scanner.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on AppCheck SPA Scanner and CSP Auditor: 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