# CJOrtho vs APP Coo Test

The clearest difference is ads: CJOrtho at none against APP Coo Test's shown. CJOrtho also leads on update cadence (every 6 months vs every 65 months) and monetization model (free vs ad-supported). APP Coo Test's advantage is iOS requirement (11.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

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

CJOrtho ships an update every 6 months, APP Coo Test every 65 months. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CJOrtho | APP Coo Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/app-coo-test/id1312650039/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 65 months |
| Monetization | **Free** | Ad-supported |
| Size | 72 MB | 28 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Collège des Jeunes Orthopédistes](https://appshunter.io/developer/937704597) | [Raffaele Amuso](https://appshunter.io/developer/912157295) |

## What reviewers say

### CJOrtho

[App page](https://appshunter.io/ios/app/cjortho/id937704598)

This medical app assists orthopedic surgeons and health professionals in managing patients with musculoskeletal disorders. It offers tools for clinical evaluation, decision support, and pre- and post-operative follow-up, including classifications, clinical scores, and a goniometer.

**Highlights:** Orthopedic classifications, Clinical scores by joint, Goniometer tool, Patient database, Procedure progress tracking, Pre- and post-operative follow-up

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

**In-app purchases:** none


### APP Coo Test

[App page](https://appshunter.io/ios/app/app-coo-test/id1312650039)

Assess your physical stability and reaction times with targeted tests. This application provides specific exercises to measure your body's responsiveness.

**Highlights:** Measure reflexes, Assess body stability, Specific tests, Reaction time measurement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CJOrtho free?

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

### Is APP Coo Test free?

APP Coo Test is free to download, with no in-app purchases.

### Do CJOrtho or APP Coo Test have ads?

APP Coo Test shows ads; CJOrtho does not.

### Which is updated more often, CJOrtho or APP Coo Test?

CJOrtho ships an update every 6 months, and APP Coo Test every 65 months. Most recently, CJOrtho was updated on October 19, 2026 and APP Coo Test on October 10, 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.*