# HemiPhysioData vs CTAP

The clearest difference is device support: HemiPhysioData at 3 against CTAP's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | HemiPhysioData | CTAP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 18 months | — |
| Monetization | Free | — |
| Size | 2 MB | 89 MB |
| Requires iOS | 13.2 | **12.0** |
| Devices | **iPhone, iPod, Apple Watch** | — |
| Age rating | 4+ | 4+ |
| Developer | [Moez ur Rehman](https://appshunter.io/developer/1502416676) | [XscapeEz Ltd.](https://appshunter.io/developer/1650988659) |

## 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


### CTAP

[App page](https://appshunter.io/ios/app/ctap-mobile/id6474035398)

**In-app purchases:** none


## Frequently asked questions

### Is HemiPhysioData free?

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

### Is CTAP free?

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

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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.*