# Spine Physics vs NeuroStudy Pro

The clearest difference is price: Spine Physics at Free against NeuroStudy Pro's $11.99. Spine Physics also leads on update cadence (every 2 days vs monthly). NeuroStudy Pro's advantage is iOS requirement (13 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Spine Physics is free to download; NeuroStudy Pro costs $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spine Physics ships an update every 2 days, NeuroStudy Pro monthly. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Spine Physics | NeuroStudy Pro |
| --- | --- | --- |
| Price | **Free** | $11.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spine-physics/id1566693028/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | **Free** | Paid |
| Size | 10 MB | 69 MB |
| Requires iOS | 15.0 | **13** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Jonathan Nakhla](https://appshunter.io/developer/1554899575) | [NeuroStudy](https://appshunter.io/developer/1792301396) |

## What reviewers say

### Spine Physics

[App page](https://appshunter.io/ios/app/spine-physics/id1566693028)

This app visualizes how obesity affects the body, using a teeter-totter analogy for the spine to explain the importance of maintaining a healthy abdominal girth. It serves as an educational tool for patients, drawing on a surgeon's perspective.

**Highlights:** Obesity impact visualization, Spine teeter-totter analogy, Abdominal girth importance, Surgeon's educational tool, General health information

**Features:** macOS Compatibility

**In-app purchases:** none


### NeuroStudy Pro

[App page](https://appshunter.io/ios/app/neurostudy-pro/id6740934839)

This app offers neurologists and trainees step-by-step guidance for performing various nerve conduction and evoked potential studies. It includes essential reference values for quick access during testing and report writing, enhancing practical application and learning.

**Highlights:** Step-by-step guidance for NCS, SSEP, MEP, Reference values for testing and reports, Educational insights, User-friendly interface, Focus on procedures and key information

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

**In-app purchases:** none


## Frequently asked questions

### Is Spine Physics free?

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

### Is NeuroStudy Pro free?

NeuroStudy Pro costs $11.99, with no in-app purchases.

### Do Spine Physics or NeuroStudy Pro have ads?

Neither Spine Physics nor NeuroStudy Pro shows ads.

### Which is updated more often, Spine Physics or NeuroStudy Pro?

Spine Physics ships an update every 2 days, and NeuroStudy Pro monthly. Most recently, Spine Physics was updated on September 10, 2026 and NeuroStudy Pro on September 21, 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.*