# NeckShaftAngle App vs OrthoQuant MD

The clearest difference is price: OrthoQuant MD at Free against NeckShaftAngle App's $3.99. OrthoQuant MD also leads on update cadence (every 3 months vs every 11 months) and iOS requirement (15.0 vs 17.0). NeckShaftAngle App's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

OrthoQuant MD is free to download; NeckShaftAngle App costs $3.99 up front. OrthoQuant MD sells 2 in-app purchases, starting at $1.99 per month. NeckShaftAngle App asks for nothing beyond the download.

NeckShaftAngle App ships an update every 11 months, OrthoQuant MD every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | NeckShaftAngle App | OrthoQuant MD |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Size | 1 MB | 49 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | +4 | 17+ |
| Developer | [ORTHOPRACTIS.COM SINGLE MEMBER P.C.](https://appshunter.io/developer/1286360877) | [ILKER EREN](https://appshunter.io/developer/1861402477) |

## What reviewers say

### NeckShaftAngle App

[App page](https://appshunter.io/ios/app/neckshaftangle-app/id1286360878)

**Features:** Vision Pro support

**In-app purchases:** none


### OrthoQuant MD

[App page](https://appshunter.io/ios/app/orthoquant-md/id6756558910)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OrthoQuant MD Pro | $1.99 | per month |
| OrthoQuant MD Pro | $19.99 | per year |


## Frequently asked questions

### Is NeckShaftAngle App free?

NeckShaftAngle App costs $3.99, with no in-app purchases.

### Is OrthoQuant MD free?

OrthoQuant MD is free to download, with in-app purchases available.

### Do NeckShaftAngle App or OrthoQuant MD have ads?

Neither NeckShaftAngle App nor OrthoQuant MD shows ads.

### Which is updated more often, NeckShaftAngle App or OrthoQuant MD?

NeckShaftAngle App ships an update every 11 months, and OrthoQuant MD every 3 months. Most recently, NeckShaftAngle App was updated on November 3, 2026 and OrthoQuant MD on October 30, 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.*