# CoreMotion Data Recorder vs YMYW

The clearest difference is in-app purchases: YMYW at none against CoreMotion Data Recorder's 1. YMYW also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (12.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. CoreMotion Data Recorder sells 1 one-off in-app purchase. YMYW asks for nothing beyond the download.

CoreMotion Data Recorder ships an update every 2 months, YMYW every 2 weeks. The most recent releases landed on June 11, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | CoreMotion Data Recorder | YMYW |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/coremotion-data-recorder/id1496592891/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 8 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [一和 朱](https://appshunter.io/developer/1496551363) | [祚文 陶](https://appshunter.io/developer/1592811022) |

## What reviewers say

### CoreMotion Data Recorder

[App page](https://appshunter.io/ios/app/coremotion-data-recorder/id1496592891)

This utility app helps developers collect and visualize motion data from Apple Watch and iPhone. Recorded data syncs to the iPhone for analysis via line charts. It supports file sharing for easy data export and analysis.

**Highlights:** Collect CoreMotion data from Apple Watch/iPhone, Synchronize data to iPhone, Visualize data with line charts, Support AirDrop and file sharing, Access accelerometer, gyroscope, pedometer, magnetometer, altimeter, barometer data

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Mode | $1.99 | one-time |


### YMYW

[App page](https://appshunter.io/ios/app/ymyw/id6480354016)

**In-app purchases:** none


## Frequently asked questions

### Is CoreMotion Data Recorder free?

CoreMotion Data Recorder is free to download, with in-app purchases available.

### Is YMYW free?

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

### Do CoreMotion Data Recorder or YMYW have ads?

Neither CoreMotion Data Recorder nor YMYW shows ads.

### Which is updated more often, CoreMotion Data Recorder or YMYW?

CoreMotion Data Recorder ships an update every 2 months, and YMYW every 2 weeks. Most recently, CoreMotion Data Recorder was updated on June 11, 2026 and YMYW on May 15, 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.*