# iRadTech HD vs Body coloring book

The clearest difference is monetization model: iRadTech HD at free with in-app purchases against Body coloring book's subscription. iRadTech HD also leads on rating (3.3 vs 2.9) and review sentiment (50% vs 29%). Body coloring book's advantage is update cadence (every 3 months vs every 19 months) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. iRadTech HD sells 1 one-off in-app purchase and Body coloring book sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

iRadTech HD holds the better App Store score, 3.3 against 2.9. Both are backed by a comparable volume of ratings — 4 and 10 respectively. Written reviews point the same way: 50% of iRadTech HD's written reviews are positive against 29% of Body coloring book's.

iRadTech HD ships an update every 19 months, Body coloring book every 3 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | iRadTech HD | Body coloring book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/iradtech-hd/id473487610/reviews)** | [2.9 (10 ratings)](https://appshunter.io/ios/app/body-coloring-book/id1494438948/reviews) |
| Number of ratings | 4 | **10** |
| Positive reviews | **50.0% of reviews** | 28.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 months** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 120 MB | 90 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Ballinger and Bruckner, LLP](https://appshunter.io/developer/692079862) | [敏 刘](https://appshunter.io/developer/1519972852) |

## What reviewers say

### iRadTech HD

[App page](https://appshunter.io/ios/app/iradtech-hd/id473487610)

A radiographic positioning guide for medical imaging professionals and students. It offers detailed instructions, image quality points, and technical factors for various positions, with an initial free version and an in-app purchase to unlock full content.

**Highlights:** Radiographic positioning guide, Detailed instructions, Image quality points, Suggested technical factors, Expandable images and radiographs, Notes panel for each position

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iRadTech HD unlock exams | $24.99 | one-time |


### Body coloring book

[App page](https://appshunter.io/ios/app/body-coloring-book/id1494438948)

Explore human anatomy through interactive coloring. This app aids in memorizing anatomical structures by combining drawing with learning, covering all major body parts. Ideal for medical students and enthusiasts seeking a visual and engaging study method.

**Highlights:** In-depth human anatomy learning, Interactive coloring exercises, Covers 6 major body parts, Continuous illustration updates, Active learning for knowledge retention, Creative use of medical illustrations

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Body Coloring - Monthly | $9.99 | per month |
| Body Coloring - Six Month | $59.99 | per 6 months |
| Body Coloring - Yearly | $79.99 | per year |
| Body Coloring - Lift Time | $299.00 | one-time |


## Frequently asked questions

### Is iRadTech HD free?

iRadTech HD is free to download, with in-app purchases available.

### Is Body coloring book free?

Body coloring book is free to download, with in-app purchases available.

### Which has better reviews, iRadTech HD or Body coloring book?

iRadTech HD is rated higher. iRadTech HD averages 3.3 out of 5 from 4 ratings, while Body coloring book averages 2.9 from 10 ratings.

### Do iRadTech HD or Body coloring book have ads?

Neither iRadTech HD nor Body coloring book shows ads.

### Which is updated more often, iRadTech HD or Body coloring book?

iRadTech HD ships an update every 19 months, and Body coloring book every 3 months. Most recently, iRadTech HD was updated on October 23, 2026 and Body coloring book on October 26, 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.*