# Vibration Meter, seismograph vs Motion Sensor Analyzer Tool

The clearest difference is rating: Vibration Meter, seismograph at 4.7 against Motion Sensor Analyzer Tool's 3.0. Vibration Meter, seismograph also leads on ratings volume (717 vs 2) and iOS requirement (12.0 vs 18.0). Motion Sensor Analyzer Tool's advantage is update cadence (every 2 weeks vs every 7 months) and monetization model (free vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Vibration Meter, seismograph sells 1 one-off in-app purchase and Motion Sensor Analyzer Tool sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Vibration Meter, seismograph holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Vibration Meter, seismograph has 717 ratings behind it against 2, so its average is the more settled of the two.

Vibration Meter, seismograph ships an update every 7 months, Motion Sensor Analyzer Tool every 2 weeks. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Vibration Meter, seismograph | Motion Sensor Analyzer Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (717 ratings)](https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/motion-sensor-analyzer-tool/id6499396038/reviews) |
| Number of ratings | **717** | 2 |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 12 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [Thiem Nguyen](https://appshunter.io/developer/1658699065) |

## What reviewers say

### Vibration Meter, seismograph

[App page](https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201)

This application uses your phone's accelerometer to measure and record vibrations from various sources, including earthquakes and everyday objects. It displays ground motion on a graph and uses an instrumental intensity scale for analysis. You can also monitor and share your measurement results.

**Highlights:** Measures vibration strength, Detects seismic waves, Uses accelerometer for analysis, Displays ground motion graph, Utilizes instrumental intensity scale, Monitors and shares results

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### 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 Vibration Meter, seismograph free?

Vibration Meter, seismograph is free to download, with in-app purchases available.

### Is Motion Sensor Analyzer Tool free?

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

### Which has better reviews, Vibration Meter, seismograph or Motion Sensor Analyzer Tool?

Vibration Meter, seismograph is rated higher. Vibration Meter, seismograph averages 4.7 out of 5 from 717 ratings, while Motion Sensor Analyzer Tool averages 3.0 from 2 ratings.

### Do Vibration Meter, seismograph or Motion Sensor Analyzer Tool have ads?

Neither Vibration Meter, seismograph nor Motion Sensor Analyzer Tool shows ads.

### Which is updated more often, Vibration Meter, seismograph or Motion Sensor Analyzer Tool?

Vibration Meter, seismograph ships an update every 7 months, and Motion Sensor Analyzer Tool every 2 weeks. Most recently, Vibration Meter, seismograph was updated on September 23, 2026 and Motion Sensor Analyzer Tool on September 21, 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.*