# Bone Ninja vs Colgate StuDENT

The clearest difference is review sentiment: Bone Ninja at 90% against Colgate StuDENT's 0%. Bone Ninja also leads on rating (4.7 vs 4.2) and iOS requirement (8.0 vs 15.0). Colgate StuDENT's advantage is price (Free vs $49.99) and update cadence (every 2 months vs every 4 months). On ratings volume, ads and in-app purchases there is nothing between them.

Colgate StuDENT 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 holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 90% of Bone Ninja's written reviews are positive against 0% of Colgate StuDENT's.

Bone Ninja ships an update every 4 months, Colgate StuDENT every 2 months. The most recent releases landed on June 4, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | Bone Ninja | Colgate StuDENT |
| --- | --- | --- |
| Price | $49.99 | **Free** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/bone-ninja/id554151432/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/colgate-student/id6443981180/reviews) |
| Number of ratings | 3 | **5** |
| Positive reviews | **90.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 34 MB | 162 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [LifeBridge Health](https://appshunter.io/developer/460335164) | [Colgate-Palmolive Company](https://appshunter.io/developer/321406727) |

## 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


### Colgate StuDENT

[App page](https://appshunter.io/ios/app/colgate-student/id6443981180)

This app helps aspiring dentists learn and practice essential skills. It offers interactive games, videos, and quizzes on dental procedures, trends, and practice management, supported by reputable dental institutions.

**Highlights:** Interactive learning modules, Engaging games and quizzes, Short educational videos, Infographics on dental topics, Practice management content, Content from leading dental institutions

**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 Colgate StuDENT free?

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

### Which has better reviews, Bone Ninja or Colgate StuDENT?

Bone Ninja is rated higher. Bone Ninja averages 4.7 out of 5 from 3 ratings, while Colgate StuDENT averages 4.2 from 5 ratings.

### Do Bone Ninja or Colgate StuDENT have ads?

Neither Bone Ninja nor Colgate StuDENT shows ads.

### Which is updated more often, Bone Ninja or Colgate StuDENT?

Bone Ninja ships an update every 4 months, and Colgate StuDENT every 2 months. Most recently, Bone Ninja was updated on June 4, 2026 and Colgate StuDENT on August 1, 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.*