# Bone Ninja vs AONA Events

The clearest difference is price: AONA Events at Free against Bone Ninja's $49.99. AONA Events also leads on rating (5.0 vs 3.8) and update cadence (every 2 months vs every 4 months). Bone Ninja's advantage is iOS requirement (8.0 vs 12.2). On ratings volume, ads and in-app purchases there is nothing between them.

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

AONA Events holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 90% of Bone Ninja's written reviews are positive against 100% of AONA Events's.

Bone Ninja ships an update every 4 months, AONA Events every 2 months. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Bone Ninja | AONA Events |
| --- | --- | --- |
| Price | $49.99 | **Free** |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/bone-ninja/id554151432/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/aona-events/id1420950949/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 90.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 34 MB | 215 MB |
| Requires iOS | **8.0** | 12.2 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [LifeBridge Health](https://appshunter.io/developer/460335164) | [The AO North America Inc](https://appshunter.io/developer/1417116321) |

## 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


### AONA Events

[App page](https://appshunter.io/ios/app/aona-events/id1420950949)

Access all information for AO North America courses, including schedules, materials, venue details, and faculty bios. You can also access your CME directly within the application.

**Highlights:** View event schedules, Access course materials, Venue information, Faculty biographies, Direct CME access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bone Ninja free?

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

### Is AONA Events free?

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

### Which has better reviews, Bone Ninja or AONA Events?

AONA Events is rated higher. Bone Ninja averages 3.8 out of 5 from 4 ratings, while AONA Events averages 5.0 from 3 ratings.

### Do Bone Ninja or AONA Events have ads?

Neither Bone Ninja nor AONA Events shows ads.

### Which is updated more often, Bone Ninja or AONA Events?

Bone Ninja ships an update every 4 months, and AONA Events every 2 months. Most recently, Bone Ninja was updated on October 26, 2026 and AONA Events on October 21, 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.*