# ABG Expert vs Mechanical Ventilation Expert

The clearest difference is review sentiment: ABG Expert at 100% against Mechanical Ventilation Expert's 33%. ABG Expert also leads on rating (4.8 vs 1.9). Mechanical Ventilation Expert's advantage is update cadence (every 2 weeks vs every 5 months). On price, ratings volume, ads 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.

ABG Expert holds the better App Store score, 4.8 against 1.9. Both are backed by a comparable volume of ratings — 9 and 7 respectively. Written reviews point the same way: 100% of ABG Expert's written reviews are positive against 33% of Mechanical Ventilation Expert's.

ABG Expert ships an update every 5 months, Mechanical Ventilation Expert every 2 weeks. Both last shipped on October 3, 2026.

## The numbers

| Metric | ABG Expert | Mechanical Ventilation Expert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9 ratings)](https://appshunter.io/ios/app/abg-expert/id885575488/reviews)** | [1.9 (7 ratings)](https://appshunter.io/ios/app/mechanical-ventilation-expert/id1591944892/reviews) |
| Number of ratings | **9** | 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 | 2 MB | 1 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Brian Dale Vander Werf MD Inc](https://appshunter.io/developer/1521935908) | [Valeriy Streltsov](https://appshunter.io/developer/1324697386) |

## What reviewers say

### ABG Expert

[App page](https://appshunter.io/ios/app/abg-expert/id885575488)

This medical tool provides accurate and flexible acid-base analysis for healthcare professionals. It offers detailed explanations, customizable ranges, and advanced features like anion gap correction and A-a gradient adjustments for various patient conditions and locations.

**Highlights:** Validated accuracy with real-world testing, Plausibility checks for physiologically impossible data, Automatic anion gap correction with albumin, Detailed explanations with equations, Separate or combined analysis of ABG, anion gap, A-a gradient, Customizable normal ranges for anion gap and delta gap, Age and barometric pressure adjustments for A-a gradient, Support for SI and non-SI units, Color-coded results and differential diagnoses, Adjustments for chronic respiratory conditions

**Features:** macOS Compatibility

**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 ABG Expert free?

ABG Expert 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, ABG Expert or Mechanical Ventilation Expert?

ABG Expert is rated higher. ABG Expert averages 4.8 out of 5 from 9 ratings, while Mechanical Ventilation Expert averages 1.9 from 7 ratings.

### Do ABG Expert or Mechanical Ventilation Expert have ads?

Neither ABG Expert nor Mechanical Ventilation Expert shows ads.

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

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