# Ventilator Mode Map vs ROX Index

The clearest difference is update cadence: ROX Index at every 3 weeks against Ventilator Mode Map's every 3 months. ROX Index also leads on rating (5.0 vs 4.8) and iOS requirement (11.0 vs 17.0). Ventilator Mode Map's advantage is ratings volume (8 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ROX Index holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Ventilator Mode Map has 8 ratings behind it against 1, so its average is the more settled of the two.

Ventilator Mode Map ships an update every 3 months, ROX Index every 3 weeks. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Ventilator Mode Map | ROX Index |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (8 ratings)](https://appshunter.io/ios/app/ventilator-mode-map/id1508307955/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rox-index/id1582208777/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 40 MB | 10 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [The Cleveland Clinic Foundation](https://appshunter.io/developer/468225376) | [Satish Deopujari](https://appshunter.io/developer/1180072702) |

## What reviewers say

### Ventilator Mode Map

[App page](https://appshunter.io/ios/app/ventilator-mode-map/id1508307955)

This app classifies mechanical ventilation modes based on a recognized medical taxonomy. It provides images and details for numerous ventilators worldwide, including manufacturer and model information.

**Highlights:** Mechanical ventilation mode taxonomy implementation, Ventilator manufacturer and model details, Ventilator images, Global ventilator database

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ROX Index

[App page](https://appshunter.io/ios/app/rox-index/id1582208777)

This medical app assists doctors and students in calculating the ROX index, a tool to predict the success or failure of High-Flow Nasal Cannula (HFNC) therapy, primarily studied in pneumonia patients. It simplifies the calculation using SpO2, FiO2, and Respiratory Rate.

**Highlights:** ROX index calculation, Predicts HFNC success/failure, Primarily for pneumonia patients, Uses SpO2, FiO2, and RR, Assists doctors and medical students

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ventilator Mode Map free?

Ventilator Mode Map is free to download, with no in-app purchases.

### Is ROX Index free?

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

### Which has better reviews, Ventilator Mode Map or ROX Index?

ROX Index is rated higher. Ventilator Mode Map averages 4.8 out of 5 from 8 ratings, while ROX Index averages 5.0 from 1 ratings.

### Do Ventilator Mode Map or ROX Index have ads?

Neither Ventilator Mode Map nor ROX Index shows ads.

### Which is updated more often, Ventilator Mode Map or ROX Index?

Ventilator Mode Map ships an update every 3 months, and ROX Index every 3 weeks. Most recently, Ventilator Mode Map was updated on October 11, 2026 and ROX Index on October 10, 2026.

---

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