# MDS Events vs Tremor Analysis

The clearest difference is review sentiment: Tremor Analysis at 75% against MDS Events's 0%. Tremor Analysis also leads on update cadence (every 2 weeks vs every 12 months) and rating (4.9 vs 4.5). MDS Events's advantage is ratings volume (104 vs 8). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Tremor Analysis holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: MDS Events has 104 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 0% of MDS Events's written reviews are positive against 75% of Tremor Analysis's.

MDS Events ships an update every 12 months, Tremor Analysis every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | MDS Events | Tremor Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (104 ratings)](https://appshunter.io/ios/app/mds-events/id1434098838/reviews) | **[4.9 (8 ratings)](https://appshunter.io/ios/app/tremor-analysis/id1579194791/reviews)** |
| Number of ratings | **104** | 8 |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 109 MB | 4 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPod, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Movement Disorder Society](https://appshunter.io/developer/533955667) | [Christopher Lee](https://appshunter.io/developer/1526245041) |

## 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


### Tremor Analysis

[App page](https://appshunter.io/ios/app/tremor-analysis/id1579194791)

This app quantifies hand tremor frequency using accelerometer data. It performs a Fast Fourier Transform to display component frequencies and magnitudes, allowing for customization of data collection and analysis. Results can be viewed on an Apple Watch or synced to a main device.

**Highlights:** Accelerometer data collection, Fast Fourier Transform (FFT) analysis, Frequency and magnitude charting, Customizable data points and axes, Apple Watch integration, Data syncing between devices

**In-app purchases:** none


## Frequently asked questions

### Is MDS Events free?

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

### Is Tremor Analysis free?

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

### Which has better reviews, MDS Events or Tremor Analysis?

Tremor Analysis is rated higher. MDS Events averages 4.5 out of 5 from 104 ratings, while Tremor Analysis averages 4.9 from 8 ratings.

### Do MDS Events or Tremor Analysis have ads?

Neither MDS Events nor Tremor Analysis shows ads.

### Which is updated more often, MDS Events or Tremor Analysis?

MDS Events ships an update every 12 months, and Tremor Analysis every 2 weeks. Most recently, MDS Events was updated on October 24, 2026 and Tremor Analysis on October 24, 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.*