# MIETHKE vs CNS+

The clearest difference is ratings volume: CNS+ at 4 against MIETHKE's 1. MIETHKE's advantage is iOS requirement (11.0 vs 13.0). On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for MIETHKE against 5.0 for CNS+. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

MIETHKE ships an update every 5 months, CNS+ every 4 months. The most recent releases landed on June 2, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | MIETHKE | CNS+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/miethke/id450290015/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/cns-plus/id1580882992/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 154 MB | 116 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Christoph Miethke GmbH & Co. KG](https://appshunter.io/developer/450290018) | [Congress of Neurological Surgeons](https://appshunter.io/developer/551149057) |

## What reviewers say

### MIETHKE

[App page](https://appshunter.io/ios/app/miethke/id450290015)

This application visually demonstrates how gravitational valves, used to treat hydrocephalus, function. It explains how body position affects valve opening pressure and includes an X-ray recognition tool for valve setting control. Various specific valve models are illustrated.

**Highlights:** Illustrates gravitational valve functionality, Explains body position impact on valve pressure, Includes X-ray recognition tool, Demonstrates multiple valve models, Visualizes hydrocephalus treatment principles

**Features:** macOS Compatibility

**In-app purchases:** none


### CNS+

[App page](https://appshunter.io/ios/app/cns-plus/id1580882992)

Access a comprehensive collection of neurological surgery educational resources, including guidelines, publications, and courses. Manage your professional development with features like 'My Education' and 'My CME'.

**Highlights:** CNS Guidelines access, CNS Publications access, My Education & My CME integration, Case of the Month, Neurosurgery Watch, Podcasts, Courses & Webinars

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MIETHKE free?

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

### Is CNS+ free?

CNS+ is free to download, with no in-app purchases.

### Which has better reviews, MIETHKE or CNS+?

MIETHKE and CNS+ are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do MIETHKE or CNS+ have ads?

Neither MIETHKE nor CNS+ shows ads.

### Which is updated more often, MIETHKE or CNS+?

MIETHKE ships an update every 5 months, and CNS+ every 4 months. Most recently, MIETHKE was updated on June 2, 2026 and CNS+ on September 22, 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.*