# Respiratory COPD Exacerbation vs VentRef

The clearest difference is iOS requirement: Respiratory COPD Exacerbation at 11.0 against VentRef's 26.0. On price, update cadence, 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.

Respiratory COPD Exacerbation ships an update every 2 months, VentRef every 3 weeks. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Respiratory COPD Exacerbation | VentRef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (44 ratings)](https://appshunter.io/ios/app/ventref/id6756503414/reviews)** |
| Number of ratings | — | **44** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 37 MB | 27 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Putu Angga Risky Raharja](https://appshunter.io/developer/1164107753) | [Rishi Kumar](https://appshunter.io/developer/1434016052) |

## What reviewers say

### Respiratory COPD Exacerbation

[App page](https://appshunter.io/ios/app/respiratory-copd-exacerbation/id1508934885)

**Features:** macOS Compatibility

**In-app purchases:** none


### VentRef

[App page](https://appshunter.io/ios/app/ventref/id6756503414)

A clinical reference tool for healthcare professionals managing mechanical ventilation and oxygen therapy. It provides information grounded in respiratory physiology and evidence-based critical care.

**Highlights:** Mechanical ventilation reference, Oxygen therapy reference, Respiratory physiology, Evidence-based critical care, Clinical decision support

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

**In-app purchases:** none


## Frequently asked questions

### Is Respiratory COPD Exacerbation free?

Respiratory COPD Exacerbation is free to download, with no in-app purchases.

### Is VentRef free?

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

### Do Respiratory COPD Exacerbation or VentRef have ads?

Neither Respiratory COPD Exacerbation nor VentRef shows ads.

### Which is updated more often, Respiratory COPD Exacerbation or VentRef?

Respiratory COPD Exacerbation ships an update every 2 months, and VentRef every 3 weeks. Most recently, Respiratory COPD Exacerbation was updated on October 2, 2026 and VentRef on October 10, 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.*