# Rad Tech Audio vs MRI Pro

The clearest difference is price: MRI Pro at Free against Rad Tech Audio's $84.99. MRI Pro also leads on update cadence (every 4 months vs every 39 months). Rad Tech Audio's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

MRI Pro is free to download; Rad Tech Audio costs $84.99 up front. MRI Pro sells 1 one-off in-app purchase. Rad Tech Audio asks for nothing beyond the download.

Rad Tech Audio ships an update every 39 months, MRI Pro every 4 months. The most recent releases landed on September 11, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Rad Tech Audio | MRI Pro |
| --- | --- | --- |
| Price | $84.99 | **Free** |
| Rating | — | **[4.7 (26 ratings)](https://appshunter.io/ios/app/mri-pro/id6472557403/reviews)** |
| Number of ratings | — | **26** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 39 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | **#191** | — |
| Size | 214 MB | 62 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [RTS Publishing Co Inc](https://appshunter.io/developer/604916069) | [Edunorth L.L.C.](https://appshunter.io/developer/1496084172) |

## What reviewers say

### Rad Tech Audio

[App page](https://appshunter.io/ios/app/rad-tech-audio/id6444367028)

**Currently charting:** #191 Top Paid · Education (US App Store)

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

**In-app purchases:** none


### MRI Pro

[App page](https://appshunter.io/ios/app/mri-pro/id6472557403)

Prepare for your Magnetic Resonance Imaging (MRI) technologist certification exam with over 800 practice questions. Test your knowledge across patient care, safety, image production, and procedures, with detailed explanations for correct answers. Track your progress and identify areas for improvement to strengthen your foundation for ARRT® credentials.

**Highlights:** Over 800 ARRT® registry format questions, Detailed explanations for correct answers, Study notes categorized by content, Review previous tests by category, Access to all questions with answers, Statistics tracking for progress, Randomized test section

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access premium content | $24.99 | one-time |


## Frequently asked questions

### Is Rad Tech Audio free?

Rad Tech Audio costs $84.99, with no in-app purchases.

### Is MRI Pro free?

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

### Do Rad Tech Audio or MRI Pro have ads?

MRI Pro shows ads; Rad Tech Audio does not.

### Which is updated more often, Rad Tech Audio or MRI Pro?

Rad Tech Audio ships an update every 39 months, and MRI Pro every 4 months. Most recently, Rad Tech Audio was updated on September 11, 2026 and MRI Pro on September 17, 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.*