# Data Theorem AppSec vs Heeler Application Security Lifecycle Management: 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). [Heeler Application Security Lifecycle Management](https://cybersectools.com/tools/heeler-application-security-lifecycle-management) is a commercial [application security posture management](https://cybersectools.com/categories/aspm) solution by [Heeler](https://cybersectools.com/companies/heeler). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

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

### Use cases and capabilities

| | Data Theorem AppSec | Heeler Application Security Lifecycle Management |
|---|---|---|
| App Security | Yes | – |
| DAST | Yes | Yes |
| DevSecOps | Yes | Yes |
| SCA | – | Yes |
| Secret Detection | – | Yes |

### Core features

**Data Theorem AppSec**

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

**Heeler Application Security Lifecycle Management**

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

## Data Theorem AppSec vs Heeler Application Security Lifecycle Management FAQ

Common questions when comparing Data Theorem AppSec vs Heeler Application Security Lifecycle Management for application security posture management.

### What is the difference between Data Theorem AppSec and Heeler Application Security Lifecycle Management?

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

**Heeler Application Security Lifecycle Management**: ASPM platform for tracking app security risks from development to deployment. Built by Heeler.

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

### Who makes Data Theorem AppSec and Heeler Application Security Lifecycle Management?

**Data Theorem AppSec** is made by Data Theorem. **Heeler Application Security Lifecycle Management** is made by Heeler. 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 Heeler Application Security Lifecycle Management?

Often, yes. Data Theorem AppSec and Heeler Application Security Lifecycle Management are both Application Security Posture Management products, and both cover DAST, DevSecOps. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Data Theorem AppSec vs Cantina Apex](https://cybersectools.com/compare/cantina-apex-vs-data-theorem-appsec)
- [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 Codacy Security and Code Quality](https://cybersectools.com/compare/codacy-security-and-code-quality-vs-data-theorem-appsec)
- [Heeler Application Security Lifecycle Management vs Cantina Apex](https://cybersectools.com/compare/cantina-apex-vs-heeler-application-security-lifecycle-management)
- [Heeler Application Security Lifecycle Management vs Start Left™ SaaS Security Mgmt Platform](https://cybersectools.com/compare/heeler-application-security-lifecycle-management-vs-start-lefttm-saas-security-mgmt-platform)
- [Heeler Application Security Lifecycle Management vs Codacy Security and Code Quality](https://cybersectools.com/compare/heeler-application-security-lifecycle-management-vs-codacy-security-and-code-quality)

## Alternatives to each

- [See all Data Theorem AppSec alternatives](https://cybersectools.com/alternatives/data-theorem-appsec)
- [See all Heeler Application Security Lifecycle Management alternatives](https://cybersectools.com/alternatives/heeler-application-security-lifecycle-management)

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Source: https://cybersectools.com/compare/data-theorem-appsec-vs-heeler-application-security-lifecycle-management

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 Heeler Application Security Lifecycle Management: 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