# Hand Tremor Tracker vs Cognitive Shuffle

The clearest difference is price: Hand Tremor Tracker at Free against Cognitive Shuffle's $1.99. Cognitive Shuffle's advantage is in-app purchases (none vs 2) and update cadence (every 8 days vs every 5 weeks). On ads and iOS requirement there is nothing between them.

Hand Tremor Tracker is free to download; Cognitive Shuffle costs $1.99 up front. Hand Tremor Tracker sells 2 in-app purchases, starting at $4.99 per month. Cognitive Shuffle asks for nothing beyond the download.

Hand Tremor Tracker ships an update every 5 weeks, Cognitive Shuffle every 8 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Hand Tremor Tracker | Cognitive Shuffle |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/hand-tremor-tracker/id6478694816/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 8 days** |
| Monetization | Subscription | — |
| Size | 49 MB | 8 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Abdurrahman Sanli](https://appshunter.io/developer/1008368906) | [Huseyin Levent Yasar](https://appshunter.io/developer/1879065286) |

## What reviewers say

### Hand Tremor Tracker

[App page](https://appshunter.io/ios/app/hand-tremor-tracker/id6478694816)

This tool measures hand tremors using your device's sensors. Simply hold your phone on your hand and initiate a measurement to track fluctuations. It offers a scientific approach to monitoring hand shaking, with a free trial available.

**Highlights:** Sensitive device sensor measurement, 3D axis fluctuation tracking, 10-second measurement duration, Scientific methodology references, Free trial available

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hand Tremor Tracker | $4.99 | per month |
| Hand Tremor Tracker | $19.99 | per year |


### Cognitive Shuffle

[App page](https://appshunter.io/ios/app/cognitive-shuffle-sleep-fast/id6760641177)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hand Tremor Tracker free?

Hand Tremor Tracker is free to download, with in-app purchases available.

### Is Cognitive Shuffle free?

Cognitive Shuffle costs $1.99, with no in-app purchases.

### Do Hand Tremor Tracker or Cognitive Shuffle have ads?

Neither Hand Tremor Tracker nor Cognitive Shuffle shows ads.

### Which is updated more often, Hand Tremor Tracker or Cognitive Shuffle?

Hand Tremor Tracker ships an update every 5 weeks, and Cognitive Shuffle every 8 days. Most recently, Hand Tremor Tracker was updated on November 4, 2026 and Cognitive Shuffle on October 31, 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.*