# ETCO2 Tutor vs Mechanical Ventilation Expert

The clearest difference is review sentiment: ETCO2 Tutor at 100% against Mechanical Ventilation Expert's 33%. ETCO2 Tutor also leads on rating (5.0 vs 1.9) and iOS requirement (7.0 vs 13.0). Mechanical Ventilation Expert's advantage is update cadence (every 2 weeks vs every 5 months) and ratings volume (7 vs 2). 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.

ETCO2 Tutor holds the better App Store score, 5.0 against 1.9. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews point the same way: 100% of ETCO2 Tutor's written reviews are positive against 33% of Mechanical Ventilation Expert's.

ETCO2 Tutor ships an update every 5 months, Mechanical Ventilation Expert every 2 weeks. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ETCO2 Tutor | Mechanical Ventilation Expert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/etco2-tutor/id1047646888/reviews)** | [1.9 (7 ratings)](https://appshunter.io/ios/app/mechanical-ventilation-expert/id1591944892/reviews) |
| Number of ratings | 2 | **7** |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 33 MB | 1 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Satish Deopujari](https://appshunter.io/developer/1180072702) | [Valeriy Streltsov](https://appshunter.io/developer/1324697386) |

## 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


### Mechanical Ventilation Expert

[App page](https://appshunter.io/ios/app/mechanical-ventilation-expert/id1591944892)

This medical app assists intensive care physicians in managing patients with acute respiratory failure. It provides advice on mechanical ventilation parameters and helps determine optimal respiratory support methods based on research findings.

**Highlights:** Mechanical ventilation parameter correction, Respiratory support method selection, Non-invasive oxygenation index estimation, Guidance on invasive and non-invasive ventilation, Educational tool for physicians, Based on multicenter research

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ETCO2 Tutor free?

ETCO2 Tutor is free to download, with no in-app purchases.

### Is Mechanical Ventilation Expert free?

Mechanical Ventilation Expert is free to download, with no in-app purchases.

### Which has better reviews, ETCO2 Tutor or Mechanical Ventilation Expert?

ETCO2 Tutor is rated higher. ETCO2 Tutor averages 5.0 out of 5 from 2 ratings, while Mechanical Ventilation Expert averages 1.9 from 7 ratings.

### Do ETCO2 Tutor or Mechanical Ventilation Expert have ads?

Neither ETCO2 Tutor nor Mechanical Ventilation Expert shows ads.

### Which is updated more often, ETCO2 Tutor or Mechanical Ventilation Expert?

ETCO2 Tutor ships an update every 5 months, and Mechanical Ventilation Expert every 2 weeks. Most recently, ETCO2 Tutor was updated on October 4, 2026 and Mechanical Ventilation Expert on October 3, 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.*