# MDS Events vs 3D Cervical Dystonia

The clearest difference is rating: 3D Cervical Dystonia at 4.9 against MDS Events's 4.5. 3D Cervical Dystonia also leads on iOS requirement (13.0 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

3D Cervical Dystonia holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 104 and 94 respectively.

MDS Events ships an update every 12 months, 3D Cervical Dystonia every 16 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | MDS Events | 3D Cervical Dystonia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (104 ratings)](https://appshunter.io/ios/app/mds-events/id1434098838/reviews) | **[4.9 (94 ratings)](https://appshunter.io/ios/app/3d-cervical-dystonia/id1571537372/reviews)** |
| Number of ratings | **104** | 94 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 16 months |
| Monetization | Free | Free |
| Size | 109 MB | 444 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Movement Disorder Society](https://appshunter.io/developer/533955667) | [Allergan, Inc.](https://appshunter.io/developer/420911057) |

## What reviewers say

### MDS Events

[App page](https://appshunter.io/ios/app/mds-events/id1434098838)

Access comprehensive information for medical congresses, including sessions, speaker details, and exhibitor listings. Stay updated on the International Congress of Parkinson’s Disease and Movement Disorders® and other regional events.

**Highlights:** Event session access, Speaker information, Exhibitor listings, Regional event updates, Congress networking

**Features:** Apple Wallet

**In-app purchases:** none


### 3D Cervical Dystonia

[App page](https://appshunter.io/ios/app/3d-cervical-dystonia/id1571537372)

Explore cervical dystonia anatomy with a 3D model and augmented reality. Manipulate postures, view muscle layers, and simulate head tremors. Requires a specific workbook to activate.

**Highlights:** 360-degree posture rotation, Adjustable head and shoulder movements, Detailed muscle layer visualization, Simulated head tremor, Functional anatomy details, Augmented reality integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MDS Events free?

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

### Is 3D Cervical Dystonia free?

3D Cervical Dystonia is free to download, with no in-app purchases.

### Which has better reviews, MDS Events or 3D Cervical Dystonia?

3D Cervical Dystonia is rated higher. MDS Events averages 4.5 out of 5 from 104 ratings, while 3D Cervical Dystonia averages 4.9 from 94 ratings.

### Do MDS Events or 3D Cervical Dystonia have ads?

Neither MDS Events nor 3D Cervical Dystonia shows ads.

### Which is updated more often, MDS Events or 3D Cervical Dystonia?

MDS Events ships an update every 12 months, and 3D Cervical Dystonia every 16 months. Most recently, MDS Events was updated on November 2, 2026 and 3D Cervical Dystonia on November 3, 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.*