# Mechanical Ventilation Expert vs DKA & HSS

The clearest difference is in-app purchases: Mechanical Ventilation Expert at none against DKA & HSS's 1. Mechanical Ventilation Expert also leads on iOS requirement (13.0 vs 16). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DKA & HSS sells 1 one-off in-app purchase. Mechanical Ventilation Expert asks for nothing beyond the download.

Mechanical Ventilation Expert ships an update every 2 weeks, DKA & HSS every 3 weeks. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Mechanical Ventilation Expert | DKA & HSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (8 ratings)](https://appshunter.io/ios/app/mechanical-ventilation-expert/id1591944892/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 1 MB | 0 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Valeriy Streltsov](https://appshunter.io/developer/1324697386) | [ATIF ELNIL](https://appshunter.io/developer/1886307011) |

## What reviewers say

### 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


### DKA & HSS

[App page](https://appshunter.io/ios/app/dka-and-hss/id6763435517)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DKA & HSS — Full Access | $14.99 | one-time |


## Frequently asked questions

### Is Mechanical Ventilation Expert free?

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

### Is DKA & HSS free?

DKA & HSS is free to download, with in-app purchases available.

### Do Mechanical Ventilation Expert or DKA & HSS have ads?

Neither Mechanical Ventilation Expert nor DKA & HSS shows ads.

### Which is updated more often, Mechanical Ventilation Expert or DKA & HSS?

Mechanical Ventilation Expert ships an update every 2 weeks, and DKA & HSS every 3 weeks. Most recently, Mechanical Ventilation Expert was updated on October 24, 2026 and DKA & HSS on October 11, 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.*