# OsteoMaster vs Inside Joint

The clearest difference is price: Inside Joint at Free against OsteoMaster's $24.99. OsteoMaster's advantage is update cadence (weekly vs every 12 months) and iOS requirement (8.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

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

OsteoMaster ships an update weekly, Inside Joint every 12 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | OsteoMaster | Inside Joint |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Positive reviews | 5.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 12 months |
| Monetization | Paid | — |
| Size | 24 MB | 32 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Chu An Luo](https://appshunter.io/developer/1257642394) | [Fidia Pharma Middle East](https://appshunter.io/developer/1347689347) |

## 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


### Inside Joint

[App page](https://appshunter.io/ios/app/inside-joint/id1537564085)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OsteoMaster free?

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

### Is Inside Joint free?

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

### Do OsteoMaster or Inside Joint have ads?

Neither OsteoMaster nor Inside Joint shows ads.

### Which is updated more often, OsteoMaster or Inside Joint?

OsteoMaster ships an update weekly, and Inside Joint every 12 months. Most recently, OsteoMaster was updated on October 8, 2026 and Inside Joint 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.*