# Data Theorem AppSec vs Secure Decisions Code Dx: side-by-side comparison (2026)

[Data Theorem AppSec](https://cybersectools.com/tools/data-theorem-appsec) is a commercial [application security posture management](https://cybersectools.com/categories/aspm) solution by [Data Theorem](https://cybersectools.com/companies/data-theorem). [Secure Decisions Code Dx](https://cybersectools.com/tools/secure-decisions-code-dx) is a commercial [application security posture management](https://cybersectools.com/categories/aspm) solution by [Secure Decisions](https://cybersectools.com/companies/secure-decisions). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Data Theorem AppSec | Secure Decisions Code Dx |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Application Security Posture Management | Application Security Posture Management |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Data Theorem | Secure Decisions |
| Headquarters | – | – |

### Use cases and capabilities

| | Data Theorem AppSec | Secure Decisions Code Dx |
|---|---|---|
| App Security | Yes | Yes |
| DAST | Yes | Yes |
| DevSecOps | Yes | – |
| Dynamic Analysis | – | Yes |
| Triage | – | Yes |
| Security Scanning | – | Yes |

### Core features

**Data Theorem AppSec**

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

**Secure Decisions Code Dx**

6 features 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.

- [Data Theorem AppSec](https://cybersectools.com/tools/data-theorem-appsec) fits if you want a cloud product.
- [Secure Decisions Code Dx](https://cybersectools.com/tools/secure-decisions-code-dx) fits if you need both cloud and on-premises options.

## Data Theorem AppSec vs Secure Decisions Code Dx FAQ

Common questions when comparing Data Theorem AppSec vs Secure Decisions Code Dx for application security posture management.

### What is the difference between Data Theorem AppSec and Secure Decisions Code Dx?

**Data Theorem AppSec**: AppSec platform for mobile, web, API & cloud security testing & protection. Built by Data Theorem.

**Secure Decisions Code Dx**: AppSec tool that aggregates SAST/DAST results for triage & remediation. Built by Secure Decisions.

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

### Who makes Data Theorem AppSec and Secure Decisions Code Dx?

**Data Theorem AppSec** is made by Data Theorem. **Secure Decisions Code Dx** is made by Secure Decisions. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Data Theorem AppSec a good alternative to Secure Decisions Code Dx?

Often, yes. Data Theorem AppSec and Secure Decisions Code Dx are both Application Security Posture Management products, and both cover DAST, App Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Data Theorem AppSec vs DefectDojo](https://cybersectools.com/compare/data-theorem-appsec-vs-defectdojo)
- [Data Theorem AppSec vs Start Left™ SaaS Security Mgmt Platform](https://cybersectools.com/compare/data-theorem-appsec-vs-start-lefttm-saas-security-mgmt-platform)
- [Data Theorem AppSec vs Staris](https://cybersectools.com/compare/data-theorem-appsec-vs-staris)
- [Secure Decisions Code Dx vs DefectDojo](https://cybersectools.com/compare/defectdojo-vs-secure-decisions-code-dx)
- [Secure Decisions Code Dx vs Start Left™ SaaS Security Mgmt Platform](https://cybersectools.com/compare/secure-decisions-code-dx-vs-start-lefttm-saas-security-mgmt-platform)
- [Secure Decisions Code Dx vs Staris](https://cybersectools.com/compare/secure-decisions-code-dx-vs-staris)

## Alternatives to each

- [See all Data Theorem AppSec alternatives](https://cybersectools.com/alternatives/data-theorem-appsec)
- [See all Secure Decisions Code Dx alternatives](https://cybersectools.com/alternatives/secure-decisions-code-dx)

---

Source: https://cybersectools.com/compare/data-theorem-appsec-vs-secure-decisions-code-dx

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

More on Data Theorem AppSec and Secure Decisions Code Dx: 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