# Thomale Guide Application vs Neurological Differential Dx

The clearest difference is in-app purchases: Thomale Guide Application at none against Neurological Differential Dx's 1. Thomale Guide Application also leads on ads (none vs shown) and iOS requirement (8.2 vs 13.0). Neurological Differential Dx's advantage is update cadence (every 5 months vs every 14 months). On price and device support there is nothing between them.

Both are free to download. Neurological Differential Dx sells 1 one-off in-app purchase. Thomale Guide Application asks for nothing beyond the download.

Thomale Guide Application ships an update every 14 months, Neurological Differential Dx every 5 months. The most recent releases landed on October 3, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Thomale Guide Application | Neurological Differential Dx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/neurological-differential-dx/id6738488355/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 5 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 48 MB |
| Requires iOS | **8.2** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Miethke GmbH & Co. KG](https://appshunter.io/developer/450290018) | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) |

## 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


### Neurological Differential Dx

[App page](https://appshunter.io/ios/app/neurological-differential-dx/id6738488355)

This app offers a prioritized approach to neurological differential diagnoses for healthcare professionals. It helps identify common and critical conditions quickly, aiding in confident decision-making at the point of care. An in-app purchase unlocks all content after a free trial with sample material.

**Highlights:** Prioritized differential diagnosis lists, Highlights common and critical conditions, Distinguishes specific diagnoses, Problem-based approach to neurological disease, SmartSearch technology for quick information retrieval, Offline content access

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Neurological Differential Dx | $87.99 | one-time |


## Frequently asked questions

### Is Thomale Guide Application free?

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

### Is Neurological Differential Dx free?

Neurological Differential Dx is free to download, with in-app purchases available.

### Do Thomale Guide Application or Neurological Differential Dx have ads?

Neurological Differential Dx shows ads; Thomale Guide Application does not.

### Which is updated more often, Thomale Guide Application or Neurological Differential Dx?

Thomale Guide Application ships an update every 14 months, and Neurological Differential Dx every 5 months. Most recently, Thomale Guide Application was updated on October 3, 2026 and Neurological Differential Dx on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*