# OsteoMaster vs Global Knee Summit

The clearest difference is price: Global Knee Summit at Free against OsteoMaster's $24.99. OsteoMaster's advantage is iOS requirement (8.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Global Knee Summit is free to download; OsteoMaster costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | OsteoMaster | Global Knee Summit |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Positive reviews | 5.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Paid | — |
| Size | 24 MB | 36 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chu An Luo](https://appshunter.io/developer/1257642394) | [Matthew Stellwagen](https://appshunter.io/developer/1097454298) |

## What reviewers say

### OsteoMaster

[App page](https://appshunter.io/ios/app/osteomaster/id1257642395)

This medical app assists surgeons with preoperative planning for bone osteotomy procedures. It allows users to input bone images and calculate various measurements, angles, and corrections needed for surgery. The tool simulates correction results, aiding in precise surgical planning.

**Highlights:** Measure bone angles, Calculate preoperative weight-bearing line, Automate correction calculations, Plan with wedge or cut options, Simulate correction results

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

**In-app purchases:** none


### Global Knee Summit

[App page](https://appshunter.io/ios/app/global-knee-summit/id6755230438)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OsteoMaster free?

OsteoMaster costs $24.99, with no in-app purchases.

### Is Global Knee Summit free?

Global Knee Summit is free to download, with no in-app purchases.

### Do OsteoMaster or Global Knee Summit have ads?

Neither OsteoMaster nor Global Knee Summit shows ads.

### Which is updated more often, OsteoMaster or Global Knee Summit?

OsteoMaster ships an update weekly, and Global Knee Summit weekly. Most recently, OsteoMaster was updated on September 21, 2026 and Global Knee Summit on September 19, 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.*