# Checkmarx One Assist vs Nullify: side-by-side comparison (2026)

[Checkmarx One Assist](https://cybersectools.com/tools/checkmarx-one-assist) is a commercial [application security posture management](https://cybersectools.com/categories/aspm) solution by [Checkmarx](https://cybersectools.com/companies/checkmarx). [Nullify](https://cybersectools.com/tools/nullify) is a commercial [application security posture management](https://cybersectools.com/categories/aspm) solution by [Nullify](https://cybersectools.com/companies/nullify). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Checkmarx One Assist | Nullify |
|---|---|---|
| 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 | Startup, SMB, Mid-Market, Enterprise |
| Company | Checkmarx | Nullify |
| Headquarters | – | – |

### Use cases and capabilities

| | Checkmarx One Assist | Nullify |
|---|---|---|
| CI/CD | Yes | – |
| DevSecOps | Yes | – |
| SCA | Yes | Yes |
| Secret Detection | Yes | Yes |
| Infrastructure as Code | Yes | – |
| Vulnerability Prioritization | – | Yes |
| Triage | – | Yes |

### Core features

**Checkmarx One Assist**

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

**Nullify**

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

### Integrations

**Checkmarx One Assist**

1 integration listed. Sign in on the page to see them.

**Nullify**

12 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.

- [Nullify](https://cybersectools.com/tools/nullify) fits if you are a startup.

## Checkmarx One Assist vs Nullify FAQ

Common questions when comparing Checkmarx One Assist vs Nullify for application security posture management.

### What is the difference between Checkmarx One Assist and Nullify?

**Checkmarx One Assist**: AI-powered AppSec platform with agentic agents for vulnerability prevention & fix. Built by Checkmarx.

**Nullify**: AI platform that finds, triages, and auto-remediates vulnerabilities end-to-end. Built by Nullify.

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

### Who makes Checkmarx One Assist and Nullify?

**Checkmarx One Assist** is made by Checkmarx. **Nullify** is made by Nullify. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Checkmarx One Assist a good alternative to Nullify?

Often, yes. Checkmarx One Assist and Nullify are both Application Security Posture Management products, and both cover SCA, Secret Detection. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Checkmarx One Assist vs Legit VibeGuard](https://cybersectools.com/compare/checkmarx-one-assist-vs-legit-vibeguard)
- [Checkmarx One Assist vs Datadog Code Security](https://cybersectools.com/compare/checkmarx-one-assist-vs-datadog-code-security)
- [Checkmarx One Assist vs JFrog Advanced Security](https://cybersectools.com/compare/checkmarx-one-assist-vs-jfrog-advanced-security)
- [Nullify vs Legit VibeGuard](https://cybersectools.com/compare/nullify-vs-legit-vibeguard)
- [Nullify vs Datadog Code Security](https://cybersectools.com/compare/datadog-code-security-vs-nullify)
- [Nullify vs JFrog Advanced Security](https://cybersectools.com/compare/jfrog-advanced-security-vs-nullify)

## Alternatives to each

- [See all Checkmarx One Assist alternatives](https://cybersectools.com/alternatives/checkmarx-one-assist)
- [See all Nullify alternatives](https://cybersectools.com/alternatives/nullify)

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Source: https://cybersectools.com/compare/checkmarx-one-assist-vs-nullify

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

More on Checkmarx One Assist and Nullify: 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