Contrast Application Security Testing (AST) is a commercial interactive application security testing solution by Contrast Security. Contrast One is a commercial interactive application security testing solution by Contrast Security. Features, integrations, deployment and the company behind each one, side by side.
Runtime app security testing that monitors code execution to find vulnerabilities
Managed application and API security platform with runtime protection
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Contrast Application Security Testing (AST) fits if you need both cloud and on-premises options.
Contrast One fits if you want a cloud product.
Common questions when comparing Contrast Application Security Testing (AST) vs Contrast One for interactive application security testing.
Contrast Application Security Testing (AST): Runtime app security testing that monitors code execution to find vulnerabilities. Built by Contrast Security.
Contrast One: Managed application and API security platform with runtime protection. Built by Contrast Security.
The table above shows where their features, integrations, deployment and company size fit differ.
Contrast Application Security Testing (AST) is made by Contrast Security. Contrast One 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.
Often, yes. Contrast Application Security Testing (AST) and Contrast One are both Interactive Application Security Testing products, and both cover CI/CD. Use the table above to see where features, deployment and company size fit differ.
No Interactive Application Security Testing shortlist yet. This is the closest one.
Updated 2026-11-02
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