# Endian 4i vs TXOne Portable Inspector: 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). [TXOne Portable Inspector](https://cybersectools.com/tools/txone-portable-inspector) is a commercial [industrial control system security](https://cybersectools.com/categories/ics-security) solution by [TXOne Networks](https://cybersectools.com/companies/txone-networks). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Endian 4i | TXOne Portable Inspector |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Industrial Control System Security | Industrial Control System Security |
| Verified | No | No |
| Deployment type | Hybrid | On-Premises |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Endian | TXOne Networks |
| Headquarters | – | – |

### Use cases and capabilities

| | Endian 4i | TXOne Portable Inspector |
|---|---|---|
| IoT Security | Yes | – |
| SCADA | Yes | – |
| Gateway | Yes | – |
| USB Security | – | Yes |

### Core features

**Endian 4i**

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

**TXOne Portable Inspector**

10 features 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.

- [Endian 4i](https://cybersectools.com/tools/endian-4i) fits if you need both cloud and on-premises options.
- [TXOne Portable Inspector](https://cybersectools.com/tools/txone-portable-inspector) fits if you need to run it on your own servers.

## Endian 4i vs TXOne Portable Inspector FAQ

Common questions when comparing Endian 4i vs TXOne Portable Inspector for industrial control system security.

### What is the difference between Endian 4i and TXOne Portable Inspector?

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

**TXOne Portable Inspector**: USB-based malware scanner for air-gapped OT/ICS devices without installation. Built by TXOne Networks.

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

### Who makes Endian 4i and TXOne Portable Inspector?

**Endian 4i** is made by Endian. **TXOne Portable Inspector** is made by TXOne Networks. 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 TXOne Portable Inspector?

Often, yes. Endian 4i and TXOne Portable Inspector are both Industrial Control System Security products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Endian 4i vs HiveMQ Platform](https://cybersectools.com/compare/endian-4i-vs-hivemq-hivemq-platform)
- [Endian 4i vs IKARUS OT Security Sensor Management](https://cybersectools.com/compare/endian-4i-vs-ikarus-ot-security-sensor-management)
- [Endian 4i vs IKARUS OT Security Sensor Guardian](https://cybersectools.com/compare/endian-4i-vs-ikarus-ot-security-sensor-guardian)
- [TXOne Portable Inspector vs HiveMQ Platform](https://cybersectools.com/compare/hivemq-hivemq-platform-vs-txone-portable-inspector)
- [TXOne Portable Inspector vs IKARUS OT Security Sensor Management](https://cybersectools.com/compare/ikarus-ot-security-sensor-management-vs-txone-portable-inspector)
- [TXOne Portable Inspector vs IKARUS OT Security Sensor Guardian](https://cybersectools.com/compare/ikarus-ot-security-sensor-guardian-vs-txone-portable-inspector)

## Alternatives to each

- [See all Endian 4i alternatives](https://cybersectools.com/alternatives/endian-4i)
- [See all TXOne Portable Inspector alternatives](https://cybersectools.com/alternatives/txone-portable-inspector)

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Source: https://cybersectools.com/compare/endian-4i-vs-txone-portable-inspector

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More on Endian 4i and TXOne Portable Inspector: 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