# PlaxidityX Security AutoDesigner vs TTModeler Pro: side-by-side comparison (2026)

[PlaxidityX Security AutoDesigner](https://cybersectools.com/tools/plaxidityx-security-autodesigner) is a commercial [threat modeling](https://cybersectools.com/categories/threat-modeling) solution by [PlaxidityX](https://cybersectools.com/companies/plaxidityx). [TTModeler Pro](https://cybersectools.com/tools/ttmodeler-pro) is a commercial [threat modeling](https://cybersectools.com/categories/threat-modeling) solution by [Emgarde](https://cybersectools.com/companies/emgarde). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | PlaxidityX Security AutoDesigner | TTModeler Pro |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Threat Modeling | Threat Modeling |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | PlaxidityX | Emgarde |
| Headquarters | – | – |

### Use cases and capabilities

| | PlaxidityX Security AutoDesigner | TTModeler Pro |
|---|---|---|
| Threat Analysis | Yes | Yes |
| Threat Modeling | Yes | Yes |
| IoT Security | – | Yes |
| Security Compliance Training | – | Yes |
| CVE | – | Yes |
| MITRE ATT&CK | – | Yes |
| Security Reporting | – | Yes |
| Visualization | – | Yes |
| Firmware Analysis | – | Yes |

### Core features

**PlaxidityX Security AutoDesigner**

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

**TTModeler Pro**

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

### Integrations

**PlaxidityX Security AutoDesigner**

3 integrations listed. Sign in on the page to see them.

**TTModeler Pro**

4 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.

- [PlaxidityX Security AutoDesigner](https://cybersectools.com/tools/plaxidityx-security-autodesigner) fits if you want a cloud product.
- [TTModeler Pro](https://cybersectools.com/tools/ttmodeler-pro) fits if you need both cloud and on-premises options and you are a small business.

## PlaxidityX Security AutoDesigner vs TTModeler Pro FAQ

Common questions when comparing PlaxidityX Security AutoDesigner vs TTModeler Pro for threat modeling.

### What is the difference between PlaxidityX Security AutoDesigner and TTModeler Pro?

**PlaxidityX Security AutoDesigner**: AI-automated automotive TARA tool for ISO 21434 & UNR 155 compliance, built by PlaxidityX.

**TTModeler Pro**: Threat modeling & risk assessment tool for embedded systems and IoT, built by Emgarde.

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

### Who makes PlaxidityX Security AutoDesigner and TTModeler Pro?

**PlaxidityX Security AutoDesigner** is made by PlaxidityX. **TTModeler Pro** is made by Emgarde. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is PlaxidityX Security AutoDesigner a good alternative to TTModeler Pro?

Often, yes. PlaxidityX Security AutoDesigner and TTModeler Pro are both Threat Modeling products, and both cover Threat Modeling, Threat Analysis. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [PlaxidityX Security AutoDesigner vs ArgusEye](https://cybersectools.com/compare/arguseye-vs-plaxidityx-security-autodesigner)
- [PlaxidityX Security AutoDesigner vs FYEO Enterprise Threat Model](https://cybersectools.com/compare/fyeo-enterprise-threat-model-vs-plaxidityx-security-autodesigner)
- [PlaxidityX Security AutoDesigner vs GrammaTech ConfINE](https://cybersectools.com/compare/grammatech-confine-vs-plaxidityx-security-autodesigner)
- [TTModeler Pro vs ArgusEye](https://cybersectools.com/compare/arguseye-vs-ttmodeler-pro)
- [TTModeler Pro vs FYEO Enterprise Threat Model](https://cybersectools.com/compare/fyeo-enterprise-threat-model-vs-ttmodeler-pro)
- [TTModeler Pro vs GrammaTech ConfINE](https://cybersectools.com/compare/grammatech-confine-vs-ttmodeler-pro)

## Alternatives to each

- [See all PlaxidityX Security AutoDesigner alternatives](https://cybersectools.com/alternatives/plaxidityx-security-autodesigner)
- [See all TTModeler Pro alternatives](https://cybersectools.com/alternatives/ttmodeler-pro)

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Source: https://cybersectools.com/compare/plaxidityx-security-autodesigner-vs-ttmodeler-pro

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

More on PlaxidityX Security AutoDesigner and TTModeler Pro: 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