# PediTools vs Red Book®

The clearest difference is in-app purchases: PediTools at none against Red Book®'s 2. PediTools also leads on rating (5.0 vs 4.8) and iOS requirement (11.0 vs 15.0). Red Book®'s advantage is ratings volume (71 vs 1) and device support (4 vs 2). On price and ads there is nothing between them.

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

PediTools holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Red Book® has 71 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | PediTools | Red Book® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/peditools-ga-calc/id1474552213/reviews)** | [4.8 (71 ratings)](https://appshunter.io/ios/app/red-book/id1586673573/reviews) |
| Number of ratings | 1 | **71** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 10 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 17+ |
| Developer | [Joseph Chou](https://appshunter.io/developer/1457464959) | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) |

## What reviewers say

### PediTools

[App page](https://appshunter.io/ios/app/peditools-ga-calc/id1474552213)

This medical app calculates gestational age and other related dates for obstetricians, neonatologists, and pediatricians. It allows users to input various dates and ages to determine due dates, age corrected for prematurity, and more.

**Highlights:** Flexible gestational age calculations, Calculate due dates, Determine gestation at birth, Calculate chronologic age, Age corrected for prematurity, Retinopathy of prematurity exam date

**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 PediTools free?

PediTools 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, PediTools or Red Book®?

PediTools is rated higher. PediTools averages 5.0 out of 5 from 1 ratings, while Red Book® averages 4.8 from 71 ratings.

### Do PediTools or Red Book® have ads?

Neither PediTools nor Red Book® shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*