# EM Radiology Reference vs RadSim

The clearest difference is in-app purchases: EM Radiology Reference at none against RadSim's 1. RadSim's advantage is iOS requirement (13.0 vs 16.4). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | EM Radiology Reference | 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 3 weeks | — |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 20 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [A&O4 Technologies LLC](https://appshunter.io/developer/1854511426) | [Chaofan Duan](https://appshunter.io/developer/1895796735) |

## What reviewers say

### EM Radiology Reference

[App page](https://appshunter.io/ios/app/em-radiology-reference/id6762138171)

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

**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 EM Radiology Reference free?

EM Radiology Reference is free to download, with no in-app purchases.

### Is RadSim free?

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

### Do EM Radiology Reference or RadSim have ads?

Neither EM Radiology Reference 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.*