# CybergymIEC Cyber Arena vs SentinelTestbed: side-by-side comparison (2026)

[CybergymIEC Cyber Arena](https://cybersectools.com/tools/cybergymiec-cyber-arena) is a commercial [cyber range training](https://cybersectools.com/categories/cyber-range) solution by [CybergymIEC](https://cybersectools.com/companies/cybergymiec). [SentinelTestbed](https://cybersectools.com/tools/sentineltestbed) is a free [cyber range training](https://cybersectools.com/categories/cyber-range) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | CybergymIEC Cyber Arena | SentinelTestbed |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Cyber Range Training | Cyber Range Training |
| Verified | No | No |
| Deployment type | Hybrid | On-Premises |
| Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market |
| GitHub stars | – | 11 |
| Last commit | – | Nov 2016 |
| Company | CybergymIEC | – |
| Headquarters | – | – |

### Use cases and capabilities

| | CybergymIEC Cyber Arena | SentinelTestbed |
|---|---|---|
| Cyber Range | Yes | – |
| Critical Infrastructure | Yes | – |
| SCADA | Yes | – |
| Wargames | Yes | – |
| Education | Yes | – |
| Tabletop Exercises | Yes | – |
| Security Gap Analysis | Yes | – |
| Lab | Yes | – |
| PHP | – | Yes |
| SQLite | – | Yes |
| Vulnerable Applications | – | Yes |

### Core features

**CybergymIEC Cyber Arena**

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

**SentinelTestbed**

No features listed.

## Which one fits you

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

- [CybergymIEC Cyber Arena](https://cybersectools.com/tools/cybergymiec-cyber-arena) fits if you need both cloud and on-premises options and you are an enterprise.
- [SentinelTestbed](https://cybersectools.com/tools/sentineltestbed) fits if you need to run it on your own servers, you are a startup or a small business, you need a free product and you want an open-source product.

## CybergymIEC Cyber Arena vs SentinelTestbed FAQ

Common questions when comparing CybergymIEC Cyber Arena vs SentinelTestbed for cyber range training.

### What is the difference between CybergymIEC Cyber Arena and SentinelTestbed?

**CybergymIEC Cyber Arena**: Cyber defense training platforms & OT security solutions for critical infrastructure, built by CybergymIEC.

**SentinelTestbed**: A vulnerable web site for testing Sentinel features.

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

### Who makes CybergymIEC Cyber Arena and SentinelTestbed?

**CybergymIEC Cyber Arena** is made by CybergymIEC. **SentinelTestbed** is open-source with 11 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is CybergymIEC Cyber Arena a good alternative to SentinelTestbed?

Often, yes. CybergymIEC Cyber Arena and SentinelTestbed are both Cyber Range Training products. Key differences: CybergymIEC Cyber Arena is Commercial while SentinelTestbed is Free, SentinelTestbed is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [CybergymIEC Cyber Arena vs GemForge Labs](https://cybersectools.com/compare/cybergymiec-cyber-arena-vs-gemforge-labs)
- [CybergymIEC Cyber Arena vs Nexova Cyber Academy](https://cybersectools.com/compare/cybergymiec-cyber-arena-vs-nexova-cyber-academy)
- [CybergymIEC Cyber Arena vs Bastazo Agoge](https://cybersectools.com/compare/bastazo-agoge-vs-cybergymiec-cyber-arena)
- [SentinelTestbed vs GemForge Labs](https://cybersectools.com/compare/gemforge-labs-vs-sentineltestbed)
- [SentinelTestbed vs Nexova Cyber Academy](https://cybersectools.com/compare/nexova-cyber-academy-vs-sentineltestbed)
- [SentinelTestbed vs Bastazo Agoge](https://cybersectools.com/compare/bastazo-agoge-vs-sentineltestbed)

## Alternatives to each

- [See all CybergymIEC Cyber Arena alternatives](https://cybersectools.com/alternatives/cybergymiec-cyber-arena)
- [See all SentinelTestbed alternatives](https://cybersectools.com/alternatives/sentineltestbed)

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Source: https://cybersectools.com/compare/cybergymiec-cyber-arena-vs-sentineltestbed

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

More on CybergymIEC Cyber Arena and SentinelTestbed: 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