# X vs RadSim

The clearest difference is in-app purchases: X at none against RadSim's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. RadSim sells 1 one-off in-app purchase. X asks for nothing beyond the download.

## The numbers

| Metric | X | RadSim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/radsim/id6764473558/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 79 MB | 20 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [University of Oulu](https://appshunter.io/developer/1057902852) | [Chaofan Duan](https://appshunter.io/developer/1895796735) |

## What reviewers say

### X

[App page](https://appshunter.io/ios/app/x-ray-scatter-sim/id6463718894)

**In-app purchases:** none


### RadSim

[App page](https://appshunter.io/ios/app/radsim/id6764473558)

Master radiologic technology with an interactive simulator and comprehensive positioning guide. Practice x-ray techniques and learn precise patient positioning for various anatomy regions. Designed for students and professionals to enhance clinical confidence and accuracy.

**Highlights:** X-ray simulator with adjustable settings, Positioning dictionary for anatomy regions, Clinical guides for CR placement and SID, Practice ARRT exam preparation, Interactive learning platform

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $9.99 | one-time |


## Frequently asked questions

### Is X free?

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

### Is RadSim free?

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

### Do X or RadSim have ads?

Neither X nor RadSim shows ads.

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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.*