# FreeWave Zentry vs swIDch PLC OTAC: side-by-side comparison (2026)

[FreeWave Zentry](https://cybersectools.com/tools/freewave-zentry) is a commercial [industrial control system security](https://cybersectools.com/categories/ics-security) solution by [FreeWave Technologies](https://cybersectools.com/companies/freewave-technologies). [swIDch PLC OTAC](https://cybersectools.com/tools/swidch-plc-otac) is a commercial [industrial control system security](https://cybersectools.com/categories/ics-security) solution by [swIDch](https://cybersectools.com/companies/swidch). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | FreeWave Zentry | swIDch PLC OTAC |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Industrial Control System Security | Industrial Control System Security |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise, SMB | Mid-Market, Enterprise |
| Company | FreeWave Technologies | swIDch |
| Headquarters | – | – |

### Use cases and capabilities

| | FreeWave Zentry | swIDch PLC OTAC |
|---|---|---|
| Zero Trust Architecture | Yes | – |
| ZTNA | Yes | – |
| IoT Security | Yes | – |
| Critical Infrastructure | Yes | – |
| SCADA | Yes | Yes |
| Network Segmentation | Yes | – |
| Remote Access | Yes | – |
| Least Privilege | Yes | – |
| Microsegmentation | Yes | – |
| Password Management | – | Yes |

### Core features

**FreeWave Zentry**

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

**swIDch PLC OTAC**

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

### Integrations

**FreeWave Zentry**

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

**swIDch PLC OTAC**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [FreeWave Zentry](https://cybersectools.com/tools/freewave-zentry) fits if you are a small business.

## FreeWave Zentry vs swIDch PLC OTAC FAQ

Common questions when comparing FreeWave Zentry vs swIDch PLC OTAC for industrial control system security.

### What is the difference between FreeWave Zentry and swIDch PLC OTAC?

**FreeWave Zentry**: OT-focused operational zero trust platform for secure field device access. Built by FreeWave Technologies.

**swIDch PLC OTAC**: MFA solution for OT devices using dynamic one-time authentication codes. Built by swIDch.

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

### Who makes FreeWave Zentry and swIDch PLC OTAC?

**FreeWave Zentry** is made by FreeWave Technologies founded in 1993-01-01T00:00:00.000Z. **swIDch PLC OTAC** is made by swIDch. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is FreeWave Zentry a good alternative to swIDch PLC OTAC?

Often, yes. FreeWave Zentry and swIDch PLC OTAC are both Industrial Control System Security products, and both cover SCADA. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [FreeWave Zentry vs Vantelis Water](https://cybersectools.com/compare/freewave-zentry-vs-vantelis-water)
- [FreeWave Zentry vs Blue Ridge Networks LinkGuard & CyberCloak](https://cybersectools.com/compare/blue-ridge-networks-linkguard-and-cybercloak-vs-freewave-zentry)
- [FreeWave Zentry vs Xona](https://cybersectools.com/compare/freewave-zentry-vs-xona)
- [swIDch PLC OTAC vs Vantelis Water](https://cybersectools.com/compare/swidch-plc-otac-vs-vantelis-water)
- [swIDch PLC OTAC vs Blue Ridge Networks LinkGuard & CyberCloak](https://cybersectools.com/compare/blue-ridge-networks-linkguard-and-cybercloak-vs-swidch-plc-otac)
- [swIDch PLC OTAC vs Xona](https://cybersectools.com/compare/swidch-plc-otac-vs-xona)

## Alternatives to each

- [See all FreeWave Zentry alternatives](https://cybersectools.com/alternatives/freewave-zentry)
- [See all swIDch PLC OTAC alternatives](https://cybersectools.com/alternatives/swidch-plc-otac)

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Source: https://cybersectools.com/compare/freewave-zentry-vs-swidch-plc-otac

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

More on FreeWave Zentry and swIDch PLC OTAC: 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