# CPUP Hip Score vs Bone Ninja Sensei

The clearest difference is rating: CPUP Hip Score at 5.0 against Bone Ninja Sensei's 3.7. CPUP Hip Score also leads on in-app purchases (none vs 1) and device support (3 vs 1). Bone Ninja Sensei's advantage is ratings volume (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Bone Ninja Sensei sells 1 in-app purchase, starting at $14.99 per year. CPUP Hip Score asks for nothing beyond the download.

CPUP Hip Score holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 14, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CPUP Hip Score | Bone Ninja Sensei |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cpup-hip-score/id1047761003/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/bone-ninja-sensei/id6450483301/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 48 MB |
| Requires iOS | **8.0** | 11.4 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 17+ | 4+ |
| Developer | [Gunnar Hagglund](https://appshunter.io/developer/1455942361) | [LifeBridge Health](https://appshunter.io/developer/460335164) |

## What reviewers say

### CPUP Hip Score

[App page](https://appshunter.io/ios/app/cpup-hip-score/id1047761003)

This medical tool calculates the CPUP Hip Score, a metric used in a national quality register for individuals with cerebral palsy. It aims to optimize function and quality of life by preventing hip dislocation and contractures. The app provides background information and references to relevant scientific studies.

**Highlights:** CPUP Hip Score calculator, Background information on CPUP, Details on CPUP Hip Score variables, References to scientific studies, National quality register data

**Features:** macOS Compatibility

**In-app purchases:** none


### Bone Ninja Sensei

[App page](https://appshunter.io/ios/app/bone-ninja-sensei/id6450483301)

This educational tool, created by orthopedic surgeons, helps medical professionals learn to analyze long bone deformities. It provides tools for drawing, measuring, and simulating osteotomy solutions on provided or uploaded radiographs.

**Highlights:** Analyze long bone deformities, Radiograph analysis tools, Simulate osteotomy solutions, Upload custom radiographs, Drawing and measuring tools, Educational case examples

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription Plan | $14.99 | per year |


## Frequently asked questions

### Is CPUP Hip Score free?

CPUP Hip Score is free to download, with no in-app purchases.

### Is Bone Ninja Sensei free?

Bone Ninja Sensei is free to download, with in-app purchases available.

### Which has better reviews, CPUP Hip Score or Bone Ninja Sensei?

CPUP Hip Score is rated higher. CPUP Hip Score averages 5.0 out of 5 from 1 ratings, while Bone Ninja Sensei averages 3.7 from 3 ratings.

### Do CPUP Hip Score or Bone Ninja Sensei have ads?

Neither CPUP Hip Score nor Bone Ninja Sensei shows ads.

### Which is updated more often, CPUP Hip Score or Bone Ninja Sensei?

CPUP Hip Score ships an update every 3 months, and Bone Ninja Sensei every 3 months. Most recently, CPUP Hip Score was updated on September 14, 2026 and Bone Ninja Sensei on November 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.*