# NeckShaftAngle App vs OsteoPlan

The clearest difference is price: OsteoPlan at Free against NeckShaftAngle App's $3.99. OsteoPlan also leads on update cadence (fortnightly vs every 11 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

OsteoPlan is free to download; NeckShaftAngle App costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NeckShaftAngle App ships an update every 11 months, OsteoPlan fortnightly. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | NeckShaftAngle App | OsteoPlan |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Fortnightly** |
| Size | 1 MB | 7 MB |
| Requires iOS | 17.0 | 17 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [ORTHOPRACTIS.COM SINGLE MEMBER P.C.](https://appshunter.io/developer/1286360877) | [Aravind Ravichandran](https://appshunter.io/developer/1873728612) |

## What reviewers say

### NeckShaftAngle App

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

**Features:** Vision Pro support

**In-app purchases:** none


### OsteoPlan

[App page](https://appshunter.io/ios/app/osteoplan/id6758571441)

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

**In-app purchases:** none


## Frequently asked questions

### Is NeckShaftAngle App free?

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

### Is OsteoPlan free?

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

### Do NeckShaftAngle App or OsteoPlan have ads?

Neither NeckShaftAngle App nor OsteoPlan shows ads.

### Which is updated more often, NeckShaftAngle App or OsteoPlan?

NeckShaftAngle App ships an update every 11 months, and OsteoPlan fortnightly. Most recently, NeckShaftAngle App was updated on September 20, 2026 and OsteoPlan on September 24, 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.*