# STF Sleep Research vs Wireless Mic Recorder

The clearest difference is in-app purchases: STF Sleep Research at none against Wireless Mic Recorder's 1. STF Sleep Research also leads on iOS requirement (10.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Wireless Mic Recorder sells 1 in-app purchase, starting at $2.99 per month. STF Sleep Research asks for nothing beyond the download.

## The numbers

| Metric | STF Sleep Research | Wireless Mic Recorder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/stf-sleep-research/id1345157553/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free | — |
| Size | 117 MB | 4 MB |
| Requires iOS | **10.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zepp Inc.](https://appshunter.io/developer/938688460) | [JIRl OTOUPAL](https://appshunter.io/developer/1846911134) |

## What reviewers say

### STF Sleep Research

[App page](https://appshunter.io/ios/app/stf-sleep-research/id1345157553)

This utility app synchronizes health data from wearable devices to Apple Health. It assists researchers in studying sleep sciences by collecting steps, sleep, and heart rate information. Authorization is required to enable data syncing.

**Highlights:** Track paired wearing equipment data, Sync steps, sleep, and heart rate, Integrates with Apple Health, Supports sleep science research, Concise and straightforward interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Wireless Mic Recorder

[App page](https://appshunter.io/ios/app/wireless-mic-recorder/id6773280998)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per month |


## Frequently asked questions

### Is STF Sleep Research free?

STF Sleep Research is free to download, with no in-app purchases.

### Is Wireless Mic Recorder free?

Wireless Mic Recorder is free to download, with in-app purchases available.

### Do STF Sleep Research or Wireless Mic Recorder have ads?

Neither STF Sleep Research nor Wireless Mic Recorder shows ads.

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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.*