# Thomale Guide Application vs Spine

The clearest difference is review sentiment: Spine at 75% against Thomale Guide Application's 0%. Thomale Guide Application's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Spine sells 1 in-app purchase, starting at $1.99 per year. Thomale Guide Application asks for nothing beyond the download.

Thomale Guide Application ships an update every 14 months, Spine every 26 months. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Thomale Guide Application | Spine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (59 ratings)](https://appshunter.io/ios/app/spine-whats-the-data/id934859379/reviews)** |
| Number of ratings | — | **59** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 26 months |
| Monetization | **Free** | Subscription |
| Size | 14 MB | 20 MB |
| Requires iOS | **8.2** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Miethke GmbH & Co. KG](https://appshunter.io/developer/450290018) | [Limbix LLC](https://appshunter.io/developer/490505327) |

## 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


### Spine

[App page](https://appshunter.io/ios/app/spine-whats-the-data/id934859379)

Access essential medical literature and randomized trials in an easy-to-read format. This subscription-based service provides immediate access to updated content, helping medical professionals and students quickly review key studies and enhance their knowledge.

**Highlights:** Review seminal studies quickly, Server-based platform for immediate updates, Annual subscription service, Covers surgical and non-surgical management, Citation information for further study, Updated every 1-3 months

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $1.99 | per year |


## Frequently asked questions

### Is Thomale Guide Application free?

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

### Is Spine free?

Spine is free to download, with in-app purchases available.

### Do Thomale Guide Application or Spine have ads?

Neither Thomale Guide Application nor Spine shows ads.

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

Thomale Guide Application ships an update every 14 months, and Spine every 26 months. Most recently, Thomale Guide Application was updated on October 3, 2026 and Spine on October 5, 2026.

---

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