# ROX Index vs VentXplorer

The clearest difference is device support: ROX Index at 3 against VentXplorer's 1. ROX Index also leads on iOS requirement (11.0 vs 17.6). VentXplorer's advantage is ratings volume (3 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for ROX Index against 5.0 for VentXplorer. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ROX Index ships an update every 3 weeks, VentXplorer monthly. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ROX Index | VentXplorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/rox-index/id1582208777/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/ventxplorer/id6747533157/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 10 MB | 6 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Satish Deopujari](https://appshunter.io/developer/1180072702) | [Michael Brockman](https://appshunter.io/developer/1212422162) |

## What reviewers say

### 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


### VentXplorer

[App page](https://appshunter.io/ios/app/ventxplorer/id6747533157)

A comprehensive learning tool for healthcare professionals to understand mechanical ventilation. It offers interactive waveform graphics and evidence-informed explanations to master ventilator concepts, modes, and troubleshooting. Study anytime, anywhere with offline access and a privacy-first design.

**Highlights:** Interactive waveform visualization, Educational modules on ventilation, Troubleshooting guides for common patterns, Offline access for study, Privacy-first design with no data tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is ROX Index free?

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

### Is VentXplorer free?

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

### Which has better reviews, ROX Index or VentXplorer?

ROX Index and VentXplorer are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do ROX Index or VentXplorer have ads?

Neither ROX Index nor VentXplorer shows ads.

### Which is updated more often, ROX Index or VentXplorer?

ROX Index ships an update every 3 weeks, and VentXplorer monthly. Most recently, ROX Index was updated on October 10, 2026 and VentXplorer on October 12, 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.*