# MRI Viewer vs CT

The clearest difference is review sentiment: CT at 100% against MRI Viewer's 33%. CT also leads on rating (4.5 vs 3.4). MRI Viewer's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CT holds the better App Store score, 4.5 against 3.4. Both are backed by a comparable volume of ratings — 7 and 12 respectively. Written reviews point the same way: 33% of MRI Viewer's written reviews are positive against 100% of CT's.

MRI Viewer ships an update every 21 months, CT every 12 months. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | MRI Viewer | CT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (7 ratings)](https://appshunter.io/ios/app/mri-viewer/id1185931990/reviews) | **[4.5 (12 ratings)](https://appshunter.io/ios/app/ct-computed-tomography/id1562592280/reviews)** |
| Number of ratings | 7 | **12** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 12 months** |
| Monetization | **Free** | Ad-supported |
| Size | 43 MB | 55 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Lieu Duong](https://appshunter.io/developer/1657425589) | [Fabricio Tarter](https://appshunter.io/developer/1533271635) |

## What reviewers say

### MRI Viewer

[App page](https://appshunter.io/ios/app/mri-viewer/id1185931990)

Explore cross-sectional human anatomy with interactive MRI scans. This educational tool includes detailed views of the brain and spine, aiding in anatomical understanding. It is intended for educational purposes only and not for diagnosis or treatment.

**Highlights:** Interactive MRI viewing, Cross-sectional anatomy, MRI Brain scans, MRI Spine scans (Cervical, Thoracic, Lumbar), Educational resource

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

**In-app purchases:** none


### CT

[App page](https://appshunter.io/ios/app/ct-computed-tomography/id1562592280)

This app provides a didactic and effective way for students, radiologists, and bio-image graduates to learn and reinforce their knowledge of computed tomography protocols. It features a human body model with selectable protocols, detailing essential information for each study.

**Highlights:** Human body model for protocol selection, Detailed protocol information, Indications and preparation guidance, Scout view and FOV details, Cut thickness and gap information, Window settings and reconstruction plans, Protocol-specific images

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

**In-app purchases:** none


## Frequently asked questions

### Is MRI Viewer free?

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

### Is CT free?

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

### Which has better reviews, MRI Viewer or CT?

CT is rated higher. MRI Viewer averages 3.4 out of 5 from 7 ratings, while CT averages 4.5 from 12 ratings.

### Do MRI Viewer or CT have ads?

CT shows ads; MRI Viewer does not.

### Which is updated more often, MRI Viewer or CT?

MRI Viewer ships an update every 21 months, and CT every 12 months. Most recently, MRI Viewer was updated on October 11, 2026 and CT on October 16, 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.*