# ETCO2 Tutor vs VentXplorer

The clearest difference is update cadence: VentXplorer at monthly against ETCO2 Tutor's every 5 months. ETCO2 Tutor's advantage is device support (3 vs 1) and iOS requirement (7.0 vs 17.6). On price, rating, review sentiment and ratings volume 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 ETCO2 Tutor against 5.0 for VentXplorer. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ETCO2 Tutor ships an update every 5 months, VentXplorer monthly. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ETCO2 Tutor | VentXplorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/etco2-tutor/id1047646888/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/ventxplorer/id6747533157/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 33 MB | 6 MB |
| Requires iOS | **7.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Satish Deopujari](https://appshunter.io/developer/1180072702) | [Michael Brockman](https://appshunter.io/developer/1212422162) |

## What reviewers say

### ETCO2 Tutor

[App page](https://appshunter.io/ios/app/etco2-tutor/id1047646888)

Learn about End-tidal CO2 (ETCO2) and its significance in monitoring patient respiration. This app visualizes ETCO2 graphs for various conditions like apnea, hyperventilation, and hypoventilation, aiding in understanding capnography.

**Highlights:** ETCO2 monitoring explanation, Capnography and capnograph details, Apnea graph visualization, Hyperventilation graph visualization, Hypoventilation graph visualization, Graphs for various medical conditions

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

**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 ETCO2 Tutor free?

ETCO2 Tutor 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, ETCO2 Tutor or VentXplorer?

ETCO2 Tutor and VentXplorer are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do ETCO2 Tutor or VentXplorer have ads?

Neither ETCO2 Tutor nor VentXplorer shows ads.

### Which is updated more often, ETCO2 Tutor or VentXplorer?

ETCO2 Tutor ships an update every 5 months, and VentXplorer monthly. Most recently, ETCO2 Tutor was updated on October 4, 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.*