# Rapid Vent Calculator vs Respiratory Notes

The clearest difference is rating: Rapid Vent Calculator at 5.0 against Respiratory Notes's 4.0. Rapid Vent Calculator also leads on in-app purchases (none vs 1) and ads (none vs shown). Respiratory Notes's advantage is update cadence (every 6 months vs every 17 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Respiratory Notes sells 1 in-app purchase, starting at $39.99 per year. Rapid Vent Calculator asks for nothing beyond the download.

Rapid Vent Calculator holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Rapid Vent Calculator has 45 ratings behind it against 4, so its average is the more settled of the two.

Rapid Vent Calculator ships an update every 17 months, Respiratory Notes every 6 months. The most recent releases landed on July 22, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Rapid Vent Calculator | Respiratory Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (45 ratings)](https://appshunter.io/ios/app/rapid-vent-calculator/id6451494244/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/respiratory-notes/id6569241898/reviews) |
| Number of ratings | **45** | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 6 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 47 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [JENCO LLC](https://appshunter.io/developer/1698545004) | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) |

## What reviewers say

### Rapid Vent Calculator

[App page](https://appshunter.io/ios/app/rapid-vent-calculator/id6451494244)

This medical app assists healthcare professionals in calculating essential ventilator settings and medication dosages for critical care. It provides rapid, accurate results for paramedics, respiratory therapists, nurses, and doctors, streamlining patient management.

**Highlights:** Effortless ventilator settings calculation, Rapid results for quick decision-making, RSI medication dosage assistant, User-friendly interface for medical professionals, Accurate patient parameter input

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Rapid Vent Calculator free?

Rapid Vent Calculator is free to download, with no in-app purchases.

### Is Respiratory Notes free?

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

### Which has better reviews, Rapid Vent Calculator or Respiratory Notes?

Rapid Vent Calculator is rated higher. Rapid Vent Calculator averages 5.0 out of 5 from 45 ratings, while Respiratory Notes averages 4.0 from 4 ratings.

### Do Rapid Vent Calculator or Respiratory Notes have ads?

Respiratory Notes shows ads; Rapid Vent Calculator does not.

### Which is updated more often, Rapid Vent Calculator or Respiratory Notes?

Rapid Vent Calculator ships an update every 17 months, and Respiratory Notes every 6 months. Most recently, Rapid Vent Calculator was updated on July 22, 2026 and Respiratory Notes on August 19, 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.*