# Endian 4i vs FreeWave Zentry: side-by-side comparison (2026)

[Endian 4i](https://cybersectools.com/tools/endian-4i) is a commercial [industrial control system security](https://cybersectools.com/categories/ics-security) solution by [Endian](https://cybersectools.com/companies/endian). [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). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Endian 4i | FreeWave Zentry |
|---|---|---|
| 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 | Mid-Market, Enterprise, SMB |
| Company | Endian | FreeWave Technologies |
| Headquarters | – | – |

### Use cases and capabilities

| | Endian 4i | FreeWave Zentry |
|---|---|---|
| IoT Security | Yes | Yes |
| SCADA | Yes | Yes |
| Gateway | Yes | – |
| Zero Trust Architecture | – | Yes |
| ZTNA | – | Yes |
| Critical Infrastructure | – | Yes |
| Network Segmentation | – | Yes |
| Remote Access | – | Yes |
| Least Privilege | – | Yes |
| Microsegmentation | – | Yes |

### Core features

**Endian 4i**

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

**FreeWave Zentry**

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

### Integrations

**Endian 4i**

No integrations listed.

**FreeWave Zentry**

7 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.

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

## Endian 4i vs FreeWave Zentry FAQ

Common questions when comparing Endian 4i vs FreeWave Zentry for industrial control system security.

### What is the difference between Endian 4i and FreeWave Zentry?

**Endian 4i**: Industrial security gateway for OT environments with ruggedized hardware. Built by Endian.

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

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

### Who makes Endian 4i and FreeWave Zentry?

**Endian 4i** is made by Endian. **FreeWave Zentry** is made by FreeWave Technologies founded in 1993-01-01T00:00:00.000Z. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Endian 4i a good alternative to FreeWave Zentry?

Often, yes. Endian 4i and FreeWave Zentry are both Industrial Control System Security products, and both cover IoT Security, SCADA. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Endian 4i vs Vantelis Water](https://cybersectools.com/compare/endian-4i-vs-vantelis-water)
- [Endian 4i vs Blue Ridge Networks LinkGuard & CyberCloak](https://cybersectools.com/compare/blue-ridge-networks-linkguard-and-cybercloak-vs-endian-4i)
- [Endian 4i vs Xona](https://cybersectools.com/compare/endian-4i-vs-xona)
- [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)

## Alternatives to each

- [See all Endian 4i alternatives](https://cybersectools.com/alternatives/endian-4i)
- [See all FreeWave Zentry alternatives](https://cybersectools.com/alternatives/freewave-zentry)

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Source: https://cybersectools.com/compare/endian-4i-vs-freewave-zentry

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/endian-4i.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Endian 4i and FreeWave Zentry: 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