# CTisus iPearls vs Basic Radiology

The clearest difference is rating: Basic Radiology at 5.0 against CTisus iPearls's 4.6. Basic Radiology also leads on iOS requirement (9.0 vs 15.6). CTisus iPearls's advantage is monetization model (free vs free with in-app purchases) and update cadence (every 6 months vs every 35 months). On price, review sentiment, ads 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.

Basic Radiology holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: CTisus iPearls has 39 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

CTisus iPearls ships an update every 6 months, Basic Radiology every 35 months. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CTisus iPearls | Basic Radiology |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (39 ratings)](https://appshunter.io/ios/app/ctisus-ipearls/id687350624/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/basic-radiology-secondlook/id1259825428/reviews)** |
| Number of ratings | **39** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 35 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 137 MB | 30 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Elliot Fishman](https://appshunter.io/developer/399024444) | [The University of Michigan](https://appshunter.io/developer/380339599) |

## 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


### Basic Radiology

[App page](https://appshunter.io/ios/app/basic-radiology-secondlook/id1259825428)

This medical study aid offers a collection of radiographic images for self-testing knowledge of human anatomy and pathologies. Developed by medical faculty, it's designed for students and professionals to evaluate their skills and prepare for exams. All eight specialized slide sets are available for purchase within the app.

**Highlights:** Radiographic image self-testing, Structure and pathology recognition, Eight specialized slide sets, Knowledge gap identification, Exam preparation tool, Developed by medical faculty

**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 Basic Radiology free?

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

### Which has better reviews, CTisus iPearls or Basic Radiology?

Basic Radiology is rated higher. CTisus iPearls averages 4.6 out of 5 from 39 ratings, while Basic Radiology averages 5.0 from 4 ratings.

### Do CTisus iPearls or Basic Radiology have ads?

Neither CTisus iPearls nor Basic Radiology shows ads.

### Which is updated more often, CTisus iPearls or Basic Radiology?

CTisus iPearls ships an update every 6 months, and Basic Radiology every 35 months. Most recently, CTisus iPearls was updated on October 8, 2026 and Basic Radiology on October 9, 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.*