# HemiPhysioData vs Wristly

The clearest difference is update cadence: Wristly at every 2 months against HemiPhysioData's every 18 months. HemiPhysioData's advantage is iOS requirement (13.2 vs 15.6). 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.

HemiPhysioData ships an update every 18 months, Wristly every 2 months. The most recent releases landed on June 4, 2026 and May 14, 2026 respectively.

## The numbers

| Metric | HemiPhysioData | Wristly |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 2 MB | 39 MB |
| Requires iOS | **13.2** | 15.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Moez ur Rehman](https://appshunter.io/developer/1502416676) | [Sven Marc Holenstein](https://appshunter.io/developer/1794762143) |

## What reviewers say

### HemiPhysioData

[App page](https://appshunter.io/ios/app/hemiphysiodata/id1502983547)

This app collects raw and processed sensor data from your Apple Watch, including accelerometer and gyroscope readings. It allows you to select activities, preferences, and then exports the data as a CSV file to your iPhone for analysis. Ideal for tracking movement and Range of Motion (ROM) measurements.

**Highlights:** Collects raw and processed sensor data, User-friendly activity selection, Exports data as CSV files, Supports accelerometer and gyroscope, Configurable sampling rate, Haptic feedback for logging alerts

**In-app purchases:** none


### Wristly

[App page](https://appshunter.io/ios/app/wristly/id6742909054)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HemiPhysioData free?

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

### Is Wristly free?

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

### Do HemiPhysioData or Wristly have ads?

Neither HemiPhysioData nor Wristly shows ads.

### Which is updated more often, HemiPhysioData or Wristly?

HemiPhysioData ships an update every 18 months, and Wristly every 2 months. Most recently, HemiPhysioData was updated on June 4, 2026 and Wristly on May 14, 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.*