# iElastance vs VentilO

The clearest difference is update cadence: VentilO at every 2 months against iElastance's every 8 months. VentilO also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

iElastance ships an update every 8 months, VentilO every 2 months. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | iElastance | VentilO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ventilo/id1478758927/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 22 MB | 26 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Pietro Bertini](https://appshunter.io/developer/1769996267) | [L'Institut universitaire de cardiologie et de pneumologie de Québec (IUCPQ)](https://appshunter.io/developer/576953454) |

## What reviewers say

### iElastance

[App page](https://appshunter.io/ios/app/ielastance/id556528864)

**Features:** macOS Compatibility

**In-app purchases:** none


### VentilO

[App page](https://appshunter.io/ios/app/ventilo/id1478758927)

This educational app helps healthcare professionals manage patients on mechanical ventilation. It provides guidance on setting initial parameters, optimizing settings for oxygenation and CO2 elimination, and understanding the impact of dead space. It also includes tools for calculating various respiratory parameters and links to additional resources.

**Highlights:** Initial ventilatory setting guidance, Parameter influence analysis, Optimization for oxygenation and CO2, Dead space impact education, Instrumental dead space calculation, Respiratory calculators, Links to additional tools

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

**In-app purchases:** none


## Frequently asked questions

### Is iElastance free?

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

### Is VentilO free?

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

### Do iElastance or VentilO have ads?

Neither iElastance nor VentilO shows ads.

### Which is updated more often, iElastance or VentilO?

iElastance ships an update every 8 months, and VentilO every 2 months. Most recently, iElastance was updated on October 4, 2026 and VentilO on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*