# Red Book® vs CraniCalc

The clearest difference is in-app purchases: CraniCalc at none against Red Book®'s 2. Red Book®'s advantage is device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Red Book® | CraniCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (71 ratings)](https://appshunter.io/ios/app/red-book/id1586673573/reviews)** | — |
| Number of ratings | **71** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 17 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Jacob Beniflah, MD](https://appshunter.io/developer/432749902) |

## What reviewers say

### 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 |


### CraniCalc

[App page](https://appshunter.io/ios/app/cranicalc/id6819822259)

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

**In-app purchases:** none


## Frequently asked questions

### Is Red Book® free?

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

### Is CraniCalc free?

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

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

Neither Red Book® nor CraniCalc shows ads.

---

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