# Respiratory Notes vs Respiratory Assistant

The clearest difference is price: Respiratory Notes at Free against Respiratory Assistant's $3.99. Respiratory Assistant's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Respiratory Notes is free to download; Respiratory Assistant costs $3.99 up front. Respiratory Notes sells 1 in-app purchase, starting at $39.99 per year. Respiratory Assistant asks for nothing beyond the download.

Respiratory Notes ships an update every 6 months, Respiratory Assistant every 3 weeks. The most recent releases landed on September 30, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Respiratory Notes | Respiratory Assistant |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/respiratory-notes/id6569241898/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | — | **#118** |
| Size | 47 MB | 31 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | +17 |
| Developer | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) | [Neural Hound, Ltd.](https://appshunter.io/developer/1855147431) |

## What reviewers say

### Respiratory Notes

[App page](https://appshunter.io/ios/app/respiratory-notes/id6569241898)

This app provides a comprehensive, procedure-based reference for respiratory therapy information. It includes illustrations, forms, and algorithms to aid in study and practice, with content organized around protocols and new pulmonary disease tabs. An in-app purchase unlocks all content, and a subscription offers continuous updates.

**Highlights:** Procedure-based format, Supporting illustrations and tables, Fill-in-the-blank forms, Algorithms based on AARC Guidelines, SmartSearch technology, Offline content access

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Respiratory Notes | $39.99 | per year |


### Respiratory Assistant

[App page](https://appshunter.io/ios/app/respiratory-assistant/id6755638455)

**Currently charting:** #118 Top Paid · Medical (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Respiratory Notes free?

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

### Is Respiratory Assistant free?

Respiratory Assistant costs $3.99, with no in-app purchases.

### Do Respiratory Notes or Respiratory Assistant have ads?

Respiratory Notes shows ads; Respiratory Assistant does not.

### Which is updated more often, Respiratory Notes or Respiratory Assistant?

Respiratory Notes ships an update every 6 months, and Respiratory Assistant every 3 weeks. Most recently, Respiratory Notes was updated on September 30, 2026 and Respiratory Assistant on October 17, 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.*