# CTisus iPearls vs CT Neck

The clearest difference is review sentiment: CTisus iPearls at 100% against CT Neck's 0%. CTisus iPearls also leads on rating (4.7 vs 2.0) and ratings volume (42 vs 1). CT Neck's advantage is iOS requirement (10.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CTisus iPearls holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: CTisus iPearls has 42 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of CTisus iPearls's written reviews are positive against 0% of CT Neck's.

CTisus iPearls ships an update every 6 months, CT Neck every 21 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CTisus iPearls | CT Neck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (42 ratings)](https://appshunter.io/ios/app/ctisus-ipearls/id687350624/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/ct-neck/id1198041390/reviews) |
| Number of ratings | **42** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 21 months |
| Monetization | Free | Free |
| Size | 137 MB | 28 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Elliot Fishman](https://appshunter.io/developer/399024444) | [Lieu Duong](https://appshunter.io/developer/1657425589) |

## What reviewers say

### CTisus iPearls

[App page](https://appshunter.io/ios/app/ctisus-ipearls/id687350624)

This app provides diagnostic radiologists with valuable insights and facts, known as "pearls," to aid in correct diagnoses and understanding of radiologic images. It organizes these pearls across 28 popular categories and includes a search feature for easy access to thousands of pieces of knowledge.

**Highlights:** Diagnostic radiology pearls, Thousands of insights, 28 popular categories, Search functionality, Radiologic image understanding

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

**In-app purchases:** none


### CT Neck

[App page](https://appshunter.io/ios/app/ct-neck/id1198041390)

Explore cross-sectional human anatomy with interactive CT scans. This app serves as an educational resource for understanding anatomical structures. Future updates aim to include anatomical labeling and 3D localization.

**Highlights:** Interactive CT scan viewing, Cross-sectional anatomy, Educational resource, Future labeling features, Future 3D localization

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

**In-app purchases:** none


## Frequently asked questions

### Is CTisus iPearls free?

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

### Is CT Neck free?

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

### Which has better reviews, CTisus iPearls or CT Neck?

CTisus iPearls is rated higher. CTisus iPearls averages 4.7 out of 5 from 42 ratings, while CT Neck averages 2.0 from 1 ratings.

### Do CTisus iPearls or CT Neck have ads?

Neither CTisus iPearls nor CT Neck shows ads.

### Which is updated more often, CTisus iPearls or CT Neck?

CTisus iPearls ships an update every 6 months, and CT Neck every 21 months. Most recently, CTisus iPearls was updated on October 29, 2026 and CT Neck on October 24, 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.*