# Neurosurgery BC vs Spine Physics

The clearest difference is update cadence: Spine Physics at every 2 days against Neurosurgery BC's every 10 months. Spine Physics also leads on iOS requirement (15.0 vs 17.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Neurosurgery BC ships an update every 10 months, Spine Physics every 2 days. The most recent releases landed on October 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Neurosurgery BC | Spine Physics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spine-physics/id1566693028/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 21 MB | 10 MB |
| Requires iOS | 17.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Stephan Dr. Klessinger](https://appshunter.io/developer/975484760) | [Jonathan Nakhla](https://appshunter.io/developer/1554899575) |

## What reviewers say

### Neurosurgery BC

[App page](https://appshunter.io/ios/app/neurosurgery-bc/id975484761)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Neurosurgery BC free?

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

### Is Spine Physics free?

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

### Do Neurosurgery BC or Spine Physics have ads?

Neither Neurosurgery BC nor Spine Physics shows ads.

### Which is updated more often, Neurosurgery BC or Spine Physics?

Neurosurgery BC ships an update every 10 months, and Spine Physics every 2 days. Most recently, Neurosurgery BC was updated on October 26, 2026 and Spine Physics on October 8, 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.*