# Device Motion Detective vs CoreMotion Data Recorder

The clearest difference is review sentiment: CoreMotion Data Recorder at 100% against Device Motion Detective's 0%. CoreMotion Data Recorder also leads on rating (4.0 vs 1.0) and update cadence (every 2 months vs every 13 months). Device Motion Detective's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 14.0). On price, ratings volume, ads and device support there is nothing between them.

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

CoreMotion Data Recorder holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of Device Motion Detective's written reviews are positive against 100% of CoreMotion Data Recorder's.

Device Motion Detective ships an update every 13 months, CoreMotion Data Recorder every 2 months. The most recent releases landed on October 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Device Motion Detective | CoreMotion Data Recorder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/device-motion-detective/id884501447/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/coremotion-data-recorder/id1496592891/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 6 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [方 沈](https://appshunter.io/developer/882296318) | [一和 朱](https://appshunter.io/developer/1496551363) |

## What reviewers say

### Device Motion Detective

[App page](https://appshunter.io/ios/app/device-motion-detective/id884501447)

This utility app captures and stores detailed device motion data, including accelerometer, gyroscope, and magnetometer readings. Users can view real-time motion graphs or past records saved to the database. Data is recorded every second for up to 20 minutes per session.

**Highlights:** Raw accelerometer data recording, Raw gyroscope data recording, Raw magnetometer data recording, Processed device-motion data, Real-time motion graphs, Past motion record viewing, Data saved to database

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Device Motion Detective free?

Device Motion Detective is free to download, with no in-app purchases.

### Is CoreMotion Data Recorder free?

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

### Which has better reviews, Device Motion Detective or CoreMotion Data Recorder?

CoreMotion Data Recorder is rated higher. Device Motion Detective averages 1.0 out of 5 from 1 ratings, while CoreMotion Data Recorder averages 4.0 from 1 ratings.

### Do Device Motion Detective or CoreMotion Data Recorder have ads?

Neither Device Motion Detective nor CoreMotion Data Recorder shows ads.

### Which is updated more often, Device Motion Detective or CoreMotion Data Recorder?

Device Motion Detective ships an update every 13 months, and CoreMotion Data Recorder every 2 months. Most recently, Device Motion Detective was updated on October 7, 2026 and CoreMotion Data Recorder on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*