# Bone Ninja vs CJOrtho

The clearest difference is price: CJOrtho at Free against Bone Ninja's $49.99. Bone Ninja's advantage is review sentiment (90% vs 75%) and iOS requirement (8.0 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

CJOrtho is free to download; Bone Ninja costs $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bone Ninja ships an update every 4 months, CJOrtho every 6 months. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Bone Ninja | CJOrtho |
| --- | --- | --- |
| Price | $49.99 | **Free** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/bone-ninja/id554151432/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **90.0% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Paid | **Free** |
| Size | 34 MB | 72 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [LifeBridge Health](https://appshunter.io/developer/460335164) | [Collège des Jeunes Orthopédistes](https://appshunter.io/developer/937704597) |

## What reviewers say

### Bone Ninja

[App page](https://appshunter.io/ios/app/bone-ninja/id554151432)

This educational tool helps orthopedic surgeons learn to analyze and correct long bone deformities using digital radiographs. It provides tools for measurement, drawing, and simulating osteotomy solutions, based on established surgical methodology.

**Highlights:** Radiograph analysis of bone deformities, Digital measurement and drawing tools, Osteotomy simulation with cut-out tool, Upload and analyze personal radiographs, Comparison with suggested correction solutions, Educational tool based on established methodology

**Features:** macOS Compatibility

**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 Bone Ninja free?

Bone Ninja costs $49.99, with no in-app purchases.

### Is CJOrtho free?

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

### Do Bone Ninja or CJOrtho have ads?

Neither Bone Ninja nor CJOrtho shows ads.

### Which is updated more often, Bone Ninja or CJOrtho?

Bone Ninja ships an update every 4 months, and CJOrtho every 6 months. Most recently, Bone Ninja was updated on October 1, 2026 and CJOrtho on October 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.*