# Device Motion Detective vs Sensor Data Recorder

The clearest difference is review sentiment: Sensor Data Recorder at 50% against Device Motion Detective's 0%. Sensor Data Recorder also leads on rating (3.0 vs 1.0). Device Motion Detective's advantage is iOS requirement (12.0 vs 14.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

Sensor Data Recorder holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 0% of Device Motion Detective's written reviews are positive against 50% of Sensor Data Recorder's.

Device Motion Detective ships an update every 13 months, Sensor Data Recorder every 26 months. The most recent releases landed on September 20, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | Device Motion Detective | Sensor Data Recorder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/device-motion-detective/id884501447/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/sensor-data-recorder/id1438400138/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 26 months |
| Monetization | Free | Free |
| Size | 2 MB | 8 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [方 沈](https://appshunter.io/developer/882296318) | [Nils Ackermann](https://appshunter.io/developer/1308556492) |

## 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


### Sensor Data Recorder

[App page](https://appshunter.io/ios/app/sensor-data-recorder/id1438400138)

This utility app records gyroscope, accelerometer, and audio data from your device. Export your recorded data as CSV or M4A files for further processing, particularly for machine learning applications. Your data remains private and is only accessible on your device.

**Highlights:** Record gyroscope and accelerometer data, Record audio simultaneously, Label recordings for ML workflow, Adjust data capture frequency, Download or email data, Export as CSV and M4A

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Device Motion Detective free?

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

### Is Sensor Data Recorder free?

Sensor Data Recorder is free to download, with no in-app purchases.

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

Sensor Data Recorder is rated higher. Device Motion Detective averages 1.0 out of 5 from 1 ratings, while Sensor Data Recorder averages 3.0 from 2 ratings.

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

Neither Device Motion Detective nor Sensor Data Recorder shows ads.

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

Device Motion Detective ships an update every 13 months, and Sensor Data Recorder every 26 months. Most recently, Device Motion Detective was updated on September 20, 2026 and Sensor Data Recorder on June 6, 2026.

---

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