# Wrist Motion Tracker vs Unfair

The clearest difference is update cadence: Unfair at every 2 weeks against Wrist Motion Tracker's every 3 months. Wrist Motion Tracker's advantage is iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Wrist Motion Tracker ships an update every 3 months, Unfair every 2 weeks. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Wrist Motion Tracker | Unfair |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wrist-motion-tracker/id1621969190/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 67 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Bite Technologies, LLC](https://appshunter.io/developer/1263719775) | [Resonant](https://appshunter.io/developer/1495530907) |

## What reviewers say

### Wrist Motion Tracker

[App page](https://appshunter.io/ios/app/wrist-motion-tracker/id1621969190)

This application captures and logs motion data from your Apple Watch's sensors. It uploads the data to iCloud in a CSV format for easy analysis. A companion macOS app is required to retrieve and process the logged information.

**Highlights:** Apple Watch sensor data capture, iCloud CSV data upload, Health store authorization, macOS companion app integration, Research-focused data logging

**In-app purchases:** none


### Unfair

[App page](https://appshunter.io/ios/app/unfair-optimize-yourself/id6759520579)

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

**In-app purchases:** none


## Frequently asked questions

### Is Wrist Motion Tracker free?

Wrist Motion Tracker is free to download, with no in-app purchases.

### Is Unfair free?

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

### Do Wrist Motion Tracker or Unfair have ads?

Neither Wrist Motion Tracker nor Unfair shows ads.

### Which is updated more often, Wrist Motion Tracker or Unfair?

Wrist Motion Tracker ships an update every 3 months, and Unfair every 2 weeks. Most recently, Wrist Motion Tracker was updated on October 6, 2026 and Unfair on October 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.*