# Device Motion Detective vs Motion Log Plus

The clearest difference is price: Device Motion Detective at Free against Motion Log Plus's $2.99. On rating, ratings volume, update cadence and ads there is nothing between them.

Device Motion Detective is free to download; Motion Log Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 1.0 for Device Motion Detective against 1.0 for Motion Log Plus. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Device Motion Detective ships an update every 13 months, Motion Log Plus every 22 months. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Device Motion Detective | Motion Log Plus |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/device-motion-detective/id884501447/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/motion-log-plus/id1487352498/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 22 months |
| Monetization | **Free** | Paid |
| Size | 2 MB | 2 MB |
| Requires iOS | **12.0** | 13.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [方 沈](https://appshunter.io/developer/882296318) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## 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


### Motion Log Plus

[App page](https://appshunter.io/ios/app/motion-log-plus/id1487352498)

This tool captures and visualizes motion data from your iOS device, including orientation, attitude, and acceleration. You can preview recordings in 3D and export log files for further analysis.

**Highlights:** Capture device orientation, attitude, and acceleration, Preview motion data in 3D, Rename and delete log files, Export motion log files, Turn off screen while recording

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

**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 Motion Log Plus free?

Motion Log Plus costs $2.99, with no in-app purchases.

### Which has better reviews, Device Motion Detective or Motion Log Plus?

Device Motion Detective and Motion Log Plus are both rated 1.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Device Motion Detective or Motion Log Plus have ads?

Neither Device Motion Detective nor Motion Log Plus shows ads.

### Which is updated more often, Device Motion Detective or Motion Log Plus?

Device Motion Detective ships an update every 13 months, and Motion Log Plus every 22 months. Most recently, Device Motion Detective was updated on September 20, 2026 and Motion Log Plus on September 18, 2026.

---

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