# Thomale Guide Application vs Neurosurgery BC

The clearest difference is iOS requirement: Thomale Guide Application at 8.2 against Neurosurgery BC's 17.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Thomale Guide Application ships an update every 14 months, Neurosurgery BC every 10 months. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Thomale Guide Application | Neurosurgery BC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 10 months** |
| Monetization | Free | — |
| Size | 14 MB | 21 MB |
| Requires iOS | **8.2** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Miethke GmbH & Co. KG](https://appshunter.io/developer/450290018) | [Stephan Dr. Klessinger](https://appshunter.io/developer/975484760) |

## What reviewers say

### Thomale Guide Application

[App page](https://appshunter.io/ios/app/thomale-guide-application/id648839804)

This medical device app assists neurosurgeons in the controlled placement of ventricular catheters for hydrocephalus treatment. It calculates optimal angles, catheter length, and distances using CT or MRT scans in conjunction with the Thomale Guide instrument.

**Highlights:** Controlled neurosurgical placement, Ventricular catheter implantation aid, Calculates entrance angle, Determines catheter length, Measures distance to median line, Utilizes CT/MRT scans

**Features:** macOS Compatibility

**In-app purchases:** none


### Neurosurgery BC

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thomale Guide Application free?

Thomale Guide Application is free to download, with no in-app purchases.

### Is Neurosurgery BC free?

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

### Do Thomale Guide Application or Neurosurgery BC have ads?

Neither Thomale Guide Application nor Neurosurgery BC shows ads.

### Which is updated more often, Thomale Guide Application or Neurosurgery BC?

Thomale Guide Application ships an update every 14 months, and Neurosurgery BC every 10 months. Most recently, Thomale Guide Application was updated on October 20, 2026 and Neurosurgery BC on October 7, 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.*