# iSim Vent vs Gurray

The clearest difference is update cadence: iSim Vent at every 2 weeks against Gurray's every 33 months. iSim Vent also leads on iOS requirement (11.0 vs 26.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iSim Vent ships an update every 2 weeks, Gurray every 33 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | iSim Vent | Gurray |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (7 ratings)](https://appshunter.io/ios/app/isim-vent/id1504613564/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 2 weeks** | Every 33 months |
| Monetization | Free | — |
| Size | 16 MB | 3 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPad** | — |
| Age rating | 17+ | 4+ |
| Developer | [iSimulate Pty Ltd](https://appshunter.io/developer/494486341) | [Wiradjuri Condobolin Corporation Limited](https://appshunter.io/developer/1356419602) |

## What reviewers say

### iSim Vent

[App page](https://appshunter.io/ios/app/isim-vent/id1504613564)

This educational tool simulates ventilator operation for healthcare training. It allows educators to test students' ability to set and adjust ventilator parameters, covering functional operations and procedures for patient transport ventilators. It's designed for training purposes only and is not a substitute for professional medical judgment.

**Highlights:** Ventilator integration for training, Stand-alone or integrated simulator, Adjustable breath modes and types, PEEP, tidal volume, and pressure settings, Realistic feedback, Functional operation training

**In-app purchases:** none


### Gurray

[App page](https://appshunter.io/ios/app/gurray/id1513495735)

**In-app purchases:** none


## Frequently asked questions

### Is iSim Vent free?

iSim Vent is free to download, with no in-app purchases.

### Is Gurray free?

Gurray is free to download, with no in-app purchases.

### Which is updated more often, iSim Vent or Gurray?

iSim Vent ships an update every 2 weeks, and Gurray every 33 months. Most recently, iSim Vent was updated on October 8, 2026 and Gurray on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*