# Motion Alarm FREE vs Motion Sensor Analyzer Tool

The clearest difference is rating: Motion Sensor Analyzer Tool at 3.0 against Motion Alarm FREE's 2.1. Motion Alarm FREE's advantage is in-app purchases (none vs 3) and ratings volume (10 vs 2). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Motion Sensor Analyzer Tool sells 3 in-app purchases, starting at $2.99 per month. Motion Alarm FREE asks for nothing beyond the download.

Motion Sensor Analyzer Tool holds the better App Store score, 3.0 against 2.1. That said, the two scores are not equally well evidenced: Motion Alarm FREE has 10 ratings behind it against 2, so its average is the more settled of the two.

Motion Alarm FREE ships an update every 3 weeks, Motion Sensor Analyzer Tool every 2 weeks. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Motion Alarm FREE | Motion Sensor Analyzer Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (10 ratings)](https://appshunter.io/ios/app/motion-alarm-free/id993583184/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/motion-sensor-analyzer-tool/id6499396038/reviews)** |
| Number of ratings | **10** | 2 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 12 MB |
| Requires iOS | **6.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Camilo Ortegon](https://appshunter.io/developer/993583183) | [Thiem Nguyen](https://appshunter.io/developer/1658699065) |

## What reviewers say

### Motion Alarm FREE

[App page](https://appshunter.io/ios/app/motion-alarm-free/id993583184)

This utility app acts as a personal anti-theft alarm for your iPhone. It utilizes the motion sensor to trigger an alarm if your device is touched or moved without permission, helping to prevent theft.

**Highlights:** Motion sensor alarm, Anti-theft protection, Simple to use, Instant alarm activation

**Features:** macOS Compatibility

**In-app purchases:** none


### Motion Sensor Analyzer Tool

[App page](https://appshunter.io/ios/app/motion-sensor-analyzer-tool/id6499396038)

This app transforms your iPhone into a professional motion data logger. Record accelerometer, gyroscope, and magnetometer data simultaneously, visualize it with interactive charts, and export it in CSV or JSON format for detailed analysis. Organize and compare recordings to gain insights into motion patterns.

**Highlights:** Record accelerometer, gyroscope, magnetometer, Up to 200Hz sampling rate, Interactive real-time charts, Export data as CSV and JSON, Organize recordings with sessions and collections, Compare multiple recordings, Background recording (Pro feature)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Motion Sensor Pro – Monthly | $2.99 | per month |
| Motion Sensor Pro – Yearly | $19.99 | per year |
| Motion Sensor Pro – Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Motion Alarm FREE free?

Motion Alarm FREE is free to download, with no in-app purchases.

### Is Motion Sensor Analyzer Tool free?

Motion Sensor Analyzer Tool is free to download, with in-app purchases available.

### Which has better reviews, Motion Alarm FREE or Motion Sensor Analyzer Tool?

Motion Sensor Analyzer Tool is rated higher. Motion Alarm FREE averages 2.1 out of 5 from 10 ratings, while Motion Sensor Analyzer Tool averages 3.0 from 2 ratings.

### Do Motion Alarm FREE or Motion Sensor Analyzer Tool have ads?

Neither Motion Alarm FREE nor Motion Sensor Analyzer Tool shows ads.

### Which is updated more often, Motion Alarm FREE or Motion Sensor Analyzer Tool?

Motion Alarm FREE ships an update every 3 weeks, and Motion Sensor Analyzer Tool every 2 weeks. Most recently, Motion Alarm FREE was updated on October 3, 2026 and Motion Sensor Analyzer Tool on October 12, 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.*