# Pneumotox. vs Red Book®

Pneumotox. and Red Book® both sit at 4.9 stars, but that hides the real split: 50% of Pneumotox.'s written reviews are positive against 0% of Red Book®'s. Pneumotox. also leads on in-app purchases (none vs 2). Red Book®'s advantage is update cadence (every 11 months vs every 42 months) and ratings volume (67 vs 7). On price, rating, ads and iOS requirement there is nothing between them.

Both are free to download. Red Book® sells 2 one-off in-app purchases. Pneumotox. asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Pneumotox. against 4.8 for Red Book®. That said, the two scores are not equally well evidenced: Red Book® has 67 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 50% of Pneumotox.'s written reviews are positive against 0% of Red Book®'s.

Pneumotox. ships an update every 42 months, Red Book® every 11 months. The most recent releases landed on August 26, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Pneumotox. | Red Book® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/pneumotox/id495707401/reviews)** | [4.8 (67 ratings)](https://appshunter.io/ios/app/red-book/id1586673573/reviews) |
| Number of ratings | 7 | **67** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 11 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 9 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [Philippe Camus](https://appshunter.io/developer/1438857331) | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) |

## What reviewers say

### Pneumotox.

[App page](https://appshunter.io/ios/app/pneumotox/id495707401)

This app aids in diagnosing respiratory and cardiac diseases suspected of being drug-induced. It provides extensive information and bibliography from over 35,000 reviewed references, organized by causative drugs and respiratory patterns. It helps assess drug causality and offers diagnostic prompts.

**Highlights:** Diagnose drug-induced respiratory diseases, Extensive bibliography from 35,000+ references, Organized by causative drugs and respiratory patterns, Drug causality assessment tool, Diagnostic prompts and Naranjo scale integration, Information on various drug administration routes

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

**In-app purchases:** none


### Red Book®

[App page](https://appshunter.io/ios/app/red-book/id1586673573)

This app provides the latest information on pediatric infectious diseases from the American Academy of Pediatrics. It includes immunization schedules, vaccine status, influenza resources, and new chapters on COVID-19 and Mpox. Features like note-taking and enhanced search aid quick access to essential medical data.

**Highlights:** Immunization schedules, Vaccine status table, Influenza resources, COVID-19 and Mpox chapters, Note-taking and highlighting, Enhanced search functionality

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Red Book 32e | $99.99 | one-time |
| Red Book | $99.99 | one-time |


## Frequently asked questions

### Is Pneumotox. free?

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

### Is Red Book® free?

Red Book® is free to download, with in-app purchases available.

### Which has better reviews, Pneumotox. or Red Book®?

Pneumotox. is rated higher. Pneumotox. averages 4.9 out of 5 from 7 ratings, while Red Book® averages 4.8 from 67 ratings.

### Do Pneumotox. or Red Book® have ads?

Neither Pneumotox. nor Red Book® shows ads.

### Which is updated more often, Pneumotox. or Red Book®?

Pneumotox. ships an update every 42 months, and Red Book® every 11 months. Most recently, Pneumotox. was updated on August 26, 2026 and Red Book® on September 24, 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.*