# Respiratory Diseases vs Ventilator Guide

The clearest difference is in-app purchases: Ventilator Guide at none against Respiratory Diseases's 5. Respiratory Diseases's advantage is iOS requirement (9.3 vs 11.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Respiratory Diseases sells 5 one-off in-app purchases. Ventilator Guide asks for nothing beyond the download.

Respiratory Diseases ships an update every 24 months, Ventilator Guide every 30 months. The most recent releases landed on September 6, 2026 and March 4, 2026 respectively.

## The numbers

| Metric | Respiratory Diseases | Ventilator Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/respiratory-diseases/id1179359867/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 24 months** | Every 30 months |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 116 MB |
| Requires iOS | **9.3** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Focus Medica](https://appshunter.io/developer/508294531) | [OSF Healthcare System](https://appshunter.io/developer/1053621635) |

## What reviewers say

### Respiratory Diseases

[App page](https://appshunter.io/ios/app/respiratory-diseases/id1179359867)

Explore animated explanations of respiratory diseases, covering anatomy, function, causes, symptoms, diagnosis, and treatment. Understand the immunopathology and therapies for various conditions affecting the respiratory system.

**Highlights:** Animated explanations, Respiratory system anatomy, Disease immunopathology, Causes and symptoms, Diagnosis and complications, Treatment therapies and procedures

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Allergic rhinitis | $7.99 | one-time |
| Chronic Asthma | $7.99 | one-time |
| Chronic Obstructive Pulmonary Disease (COPD) | $7.99 | one-time |
| Upper Respiratory Tract Infections (URTI) | $7.99 | one-time |
| Respiratory Diseases - Buy all | $19.99 | one-time |


### Ventilator Guide

[App page](https://appshunter.io/ios/app/ventilator-guide/id1522572803)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Respiratory Diseases free?

Respiratory Diseases is free to download, with in-app purchases available.

### Is Ventilator Guide free?

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

### Do Respiratory Diseases or Ventilator Guide have ads?

Neither Respiratory Diseases nor Ventilator Guide shows ads.

### Which is updated more often, Respiratory Diseases or Ventilator Guide?

Respiratory Diseases ships an update every 24 months, and Ventilator Guide every 30 months. Most recently, Respiratory Diseases was updated on September 6, 2026 and Ventilator Guide on March 4, 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.*