# Contrast Application Security Testing (AST) vs Contrast Runtime Security Platform: side-by-side comparison (2026) [Contrast Application Security Testing (AST)](https://cybersectools.com/tools/contrast-application-security-testing-ast) is a commercial [interactive application security testing](https://cybersectools.com/categories/iast) solution by [Contrast Security](https://cybersectools.com/companies/contrast-security). [Contrast Runtime Security Platform](https://cybersectools.com/tools/contrast-runtime-security-platform) is a commercial [interactive application security testing](https://cybersectools.com/categories/iast) solution by [Contrast Security](https://cybersectools.com/companies/contrast-security). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Contrast Application Security Testing (AST) | Contrast Runtime Security Platform | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Interactive Application Security Testing | Interactive Application Security Testing | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Contrast Security | Contrast Security | | Headquarters | – | – | ### Use cases and capabilities | | Contrast Application Security Testing (AST) | Contrast Runtime Security Platform | |---|---|---| | CI/CD | Yes | – | | SCA | Yes | – | | Attack Detection | – | Yes | | DevSecOps | – | Yes | ### Core features **Contrast Application Security Testing (AST)** 10 features listed. Sign in on the page to see them. **Contrast Runtime Security Platform** 10 features listed. Sign in on the page to see them. ### Integrations **Contrast Application Security Testing (AST)** 15 integrations listed. Sign in on the page to see them. **Contrast Runtime Security Platform** 15 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. - [Contrast Application Security Testing (AST)](https://cybersectools.com/tools/contrast-application-security-testing-ast) fits if you need both cloud and on-premises options. - [Contrast Runtime Security Platform](https://cybersectools.com/tools/contrast-runtime-security-platform) fits if you want a cloud product. ## Contrast Application Security Testing (AST) vs Contrast Runtime Security Platform FAQ Common questions when comparing Contrast Application Security Testing (AST) vs Contrast Runtime Security Platform for interactive application security testing. ### What is the difference between Contrast Application Security Testing (AST) and Contrast Runtime Security Platform? **Contrast Application Security Testing (AST)**: Runtime app security testing that monitors code execution to find vulnerabilities. Built by Contrast Security. **Contrast Runtime Security Platform**: Runtime app security platform for vulnerability detection and attack response. Built by Contrast Security. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Contrast Application Security Testing (AST) and Contrast Runtime Security Platform? **Contrast Application Security Testing (AST)** is made by Contrast Security. **Contrast Runtime Security Platform** is made by Contrast Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Contrast Application Security Testing (AST) a good alternative to Contrast Runtime Security Platform? Often, yes. Contrast Application Security Testing (AST) and Contrast Runtime Security Platform are both Interactive Application Security Testing products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Contrast Application Security Testing (AST) vs Black Duck Seeker IAST](https://cybersectools.com/compare/black-duck-seeker-iast-vs-contrast-application-security-testing-ast) - [Contrast Application Security Testing (AST) vs Datadog Runtime Code Analysis (IAST)](https://cybersectools.com/compare/contrast-application-security-testing-ast-vs-datadog-runtime-code-analysis-iast) - [Contrast Application Security Testing (AST) vs Contrast One](https://cybersectools.com/compare/contrast-application-security-testing-ast-vs-contrast-one) - [Contrast Runtime Security Platform vs Black Duck Seeker IAST](https://cybersectools.com/compare/black-duck-seeker-iast-vs-contrast-runtime-security-platform) - [Contrast Runtime Security Platform vs Datadog Runtime Code Analysis (IAST)](https://cybersectools.com/compare/contrast-runtime-security-platform-vs-datadog-runtime-code-analysis-iast) - [Contrast Runtime Security Platform vs Contrast One](https://cybersectools.com/compare/contrast-one-vs-contrast-runtime-security-platform) ## Alternatives to each - [See all Contrast Application Security Testing (AST) alternatives](https://cybersectools.com/alternatives/contrast-application-security-testing-ast) - [See all Contrast Runtime Security Platform alternatives](https://cybersectools.com/alternatives/contrast-runtime-security-platform) --- Source: https://cybersectools.com/compare/contrast-application-security-testing-ast-vs-contrast-runtime-security-platform For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/contrast-application-security-testing-ast.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Contrast Application Security Testing (AST) and Contrast Runtime Security 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