# Immersive Crisis Sim vs SentinelTestbed: side-by-side comparison (2026)

[Immersive Crisis Sim](https://cybersectools.com/tools/immersive-crisis-sim) is a commercial [cyber range training](https://cybersectools.com/categories/cyber-range) solution by [Immersive Labs](https://cybersectools.com/companies/immersive-labs). [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

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

### Use cases and capabilities

| | Immersive Crisis Sim | SentinelTestbed |
|---|---|---|
| Cyber Range | Yes | – |
| Tabletop Exercises | Yes | – |
| Gamification | Yes | – |
| PHP | – | Yes |
| SQLite | – | Yes |
| Vulnerable Applications | – | Yes |

### Core features

**Immersive Crisis Sim**

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

**SentinelTestbed**

No features listed.

### Integrations

**Immersive Crisis Sim**

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

**SentinelTestbed**

No integrations listed.

## Which one fits you

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

- [Immersive Crisis Sim](https://cybersectools.com/tools/immersive-crisis-sim) fits if you want a cloud product 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.

## Immersive Crisis Sim vs SentinelTestbed FAQ

Common questions when comparing Immersive Crisis Sim vs SentinelTestbed for cyber range training.

### What is the difference between Immersive Crisis Sim and SentinelTestbed?

**Immersive Crisis Sim**: AI-driven cyber crisis simulation platform for testing org-wide incident response, built by Immersive Labs.

**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 Immersive Crisis Sim and SentinelTestbed?

**Immersive Crisis Sim** is made by Immersive Labs. **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 Immersive Crisis Sim a good alternative to SentinelTestbed?

Often, yes. Immersive Crisis Sim and SentinelTestbed are both Cyber Range Training products. Key differences: Immersive Crisis Sim 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

- [Immersive Crisis Sim vs ORNA AI Crisis Simulation](https://cybersectools.com/compare/immersive-crisis-sim-vs-orna-ai-crisis-simulation)
- [Immersive Crisis Sim vs Immersive Labs Cyber Drills](https://cybersectools.com/compare/immersive-crisis-sim-vs-immersive-labs-cyber-drills)
- [Immersive Crisis Sim vs Nexova Cyber Academy](https://cybersectools.com/compare/immersive-crisis-sim-vs-nexova-cyber-academy)
- [SentinelTestbed vs ORNA AI Crisis Simulation](https://cybersectools.com/compare/orna-ai-crisis-simulation-vs-sentineltestbed)
- [SentinelTestbed vs Immersive Labs Cyber Drills](https://cybersectools.com/compare/immersive-labs-cyber-drills-vs-sentineltestbed)
- [SentinelTestbed vs Nexova Cyber Academy](https://cybersectools.com/compare/nexova-cyber-academy-vs-sentineltestbed)

## Alternatives to each

- [See all Immersive Crisis Sim alternatives](https://cybersectools.com/alternatives/immersive-crisis-sim)
- [See all SentinelTestbed alternatives](https://cybersectools.com/alternatives/sentineltestbed)

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Source: https://cybersectools.com/compare/immersive-crisis-sim-vs-sentineltestbed

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

More on Immersive Crisis Sim 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