# CTisus iPearls vs Mammography Assistant

The clearest difference is in-app purchases: CTisus iPearls at none against Mammography Assistant's 1. CTisus iPearls also leads on ratings volume (42 vs 5). Mammography Assistant's advantage is rating (5.0 vs 4.7) and update cadence (every 6 weeks vs every 6 months). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. Mammography Assistant sells 1 one-off in-app purchase. CTisus iPearls asks for nothing beyond the download.

Mammography Assistant holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: CTisus iPearls has 42 ratings behind it against 5, 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, Mammography Assistant every 6 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CTisus iPearls | Mammography Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (42 ratings)](https://appshunter.io/ios/app/ctisus-ipearls/id687350624/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/mammography-assistant/id1534082005/reviews)** |
| Number of ratings | **42** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 137 MB | 49 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Elliot Fishman](https://appshunter.io/developer/399024444) | [Akash Tomer](https://appshunter.io/developer/1534082007) |

## 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


### Mammography Assistant

[App page](https://appshunter.io/ios/app/mammography-assistant/id1534082005)

This app assists radiologists and students in staging breast cancers and reporting mammograms. It offers a BI-RADS mode for quick categorization and a learning mode with quizzes and sample cases based on the latest guidelines.

**Highlights:** BI-RADS categorization algorithm, Sample images and descriptor details, Likelihood of cancer and management recommendations, User-friendly learning mode, Practice quizzes with case bank, Based on ACR BI-RADS 5th edition

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |


## Frequently asked questions

### Is CTisus iPearls free?

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

### Is Mammography Assistant free?

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

### Which has better reviews, CTisus iPearls or Mammography Assistant?

Mammography Assistant is rated higher. CTisus iPearls averages 4.7 out of 5 from 42 ratings, while Mammography Assistant averages 5.0 from 5 ratings.

### Do CTisus iPearls or Mammography Assistant have ads?

Neither CTisus iPearls nor Mammography Assistant shows ads.

### Which is updated more often, CTisus iPearls or Mammography Assistant?

CTisus iPearls ships an update every 6 months, and Mammography Assistant every 6 weeks. Most recently, CTisus iPearls was updated on November 1, 2026 and Mammography Assistant on November 3, 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.*