# CTisus iPearls vs SonoHipAngles

The clearest difference is price: CTisus iPearls at Free against SonoHipAngles's $12.99. CTisus iPearls also leads on update cadence (every 6 months vs every 21 months) and iOS requirement (15.6 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

CTisus iPearls is free to download; SonoHipAngles costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CTisus iPearls ships an update every 6 months, SonoHipAngles every 21 months. The most recent releases landed on October 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | CTisus iPearls | SonoHipAngles |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | **[4.7 (41 ratings)](https://appshunter.io/ios/app/ctisus-ipearls/id687350624/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 21 months |
| Monetization | Free | — |
| Size | 137 MB | 2 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Elliot Fishman](https://appshunter.io/developer/399024444) | [ORTHOPRACTIS.COM SINGLE MEMBER P.C.](https://appshunter.io/developer/1286360877) |

## 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


### SonoHipAngles

[App page](https://appshunter.io/ios/app/sonohipangles/id6736592260)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CTisus iPearls free?

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

### Is SonoHipAngles free?

SonoHipAngles costs $12.99, with no in-app purchases.

### Do CTisus iPearls or SonoHipAngles have ads?

Neither CTisus iPearls nor SonoHipAngles shows ads.

### Which is updated more often, CTisus iPearls or SonoHipAngles?

CTisus iPearls ships an update every 6 months, and SonoHipAngles every 21 months. Most recently, CTisus iPearls was updated on October 23, 2026 and SonoHipAngles on September 20, 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.*