# Device Motion Detective vs M1 MNTR CTRL

Device Motion Detective and M1 MNTR CTRL are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Device Motion Detective ships an update every 13 months, M1 MNTR CTRL every 10 months. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Device Motion Detective | M1 MNTR CTRL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/device-motion-detective/id884501447/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 10 months** |
| Monetization | Free | — |
| Size | 2 MB | 9 MB |
| Requires iOS | 12.0 | **11.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [方 沈](https://appshunter.io/developer/882296318) | [MACH 1, CORP.](https://appshunter.io/developer/1380382748) |

## 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


### M1 MNTR CTRL

[App page](https://appshunter.io/ios/app/m1-mntr-ctrl/id1486961476)

**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 M1 MNTR CTRL free?

M1 MNTR CTRL is free to download, with no in-app purchases.

### Do Device Motion Detective or M1 MNTR CTRL have ads?

Neither Device Motion Detective nor M1 MNTR CTRL shows ads.

### Which is updated more often, Device Motion Detective or M1 MNTR CTRL?

Device Motion Detective ships an update every 13 months, and M1 MNTR CTRL every 10 months. Most recently, Device Motion Detective was updated on October 7, 2026 and M1 MNTR CTRL on September 30, 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.*