# AO/OTA Fracture Classification vs CJOrtho

The clearest difference is review sentiment: CJOrtho at 75% against AO/OTA Fracture Classification's 33%. AO/OTA Fracture Classification's advantage is iOS requirement (11.0 vs 16.0). On price, update cadence, 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.

AO/OTA Fracture Classification ships an update every 5 months, CJOrtho every 6 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | AO/OTA Fracture Classification | CJOrtho |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (15 ratings)](https://appshunter.io/ios/app/aoota-fracture-classification/id399757053/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 33.3% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 53 MB | 72 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [AO Foundation](https://appshunter.io/developer/399757056) | [Collège des Jeunes Orthopédistes](https://appshunter.io/developer/937704597) |

## What reviewers say

### AO/OTA Fracture Classification

[App page](https://appshunter.io/ios/app/aoota-fracture-classification/id399757053)

This medical reference tool helps physicians and surgeons classify fractures and dislocations using the 2018 AO/OTA system. It provides a streamlined, clinically relevant guide for coding skeletal trauma, aiding in research and outcome assessments.

**Highlights:** Classify fractures and dislocations, Utilize common terminology, Apply classification principles, Provide standard codes for research, Information on radiological investigations, High-quality, enlargeable x-rays, Search function for fracture codes

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is AO/OTA Fracture Classification free?

AO/OTA Fracture Classification is free to download, with no in-app purchases.

### Is CJOrtho free?

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

### Do AO/OTA Fracture Classification or CJOrtho have ads?

Neither AO/OTA Fracture Classification nor CJOrtho shows ads.

### Which is updated more often, AO/OTA Fracture Classification or CJOrtho?

AO/OTA Fracture Classification ships an update every 5 months, and CJOrtho every 6 months. Most recently, AO/OTA Fracture Classification was updated on October 24, 2026 and CJOrtho 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.*