# Vibration Meter, seismograph — Measure all vibrations

> Measures and records vibrations using a smartphone's accelerometer. (iPhone/iPad app by ExaMobile S.A..)

- Source: https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201 (this page in markdown: same URL + `.md`)
- Developer: [ExaMobile S.A.](https://appshunter.io/developer/506014841)
- Category: Utilities
- Price: Free with in-app purchases
- Rating: 4.70/5 from 709 App Store ratings · 70 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 18 MB
- Languages: American English, Polish
- Released: 2016-10-24
- Data updated: 2026-08-26
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201/reviews.md

## What is Vibration Meter, seismograph?

Vibration meter is an app called seismograph or seismometer, which measures the strength of vibration, quakes, earthquakes, vibrations of the human body or any other objects around you.

Our app allows for detecting and recording of seismic waves generated by earthquakes, volcanic eruptions, avalanches and other sources of vibration and shocks. 
Accelerometer in your mobile phone is used for detection of vibrations and measurement analysis.

Graph presents a record of the ground motion at a measuring point. Ground movement or an object is presented as a function of time in the three Cartesian axes, with the z axis perpendicular to the Earth's surface and the x- and y- axes parallel to the surface.

Mercalli intensity scale is a seismic scale used for measuring the intensity of an earthquake. It measures the effects of an earthquake and it is distinct from the moment of magnitude.
Richter Scale assigns a magnitude number to quantify the energy released by an earthquake. Peak Ground Acceleration (PGA) is equal to the maximum ground acceleration that occurred during earthquake shaking at location. PGA is equal to the amplitude of the largest absolute acceleration recorded on an accelerogram at a site during a particular earthquake.
In this app we use Instrumental Intensity Scale (developed by The United States Geological Survey) which maps peak ground acceleration and peak ground velocity on an intensity scale similar to the felt Mercalli Scale. These values are used to create shake maps by seismologists on around the world.

Mercalli Intensity Scale distinguishes the following levels of vibration and impact damage:

I. Instrumental - Not felt. Recorded by seismographs.
II. Weak - Felt only on top floors of high buildings.
III. Slight - Felt indoors, like a passing light truck.
IV. Moderate - Windows, doors rattle. Like passing train.
V. Rather Strong - Felt by all. Small objects upset.
VI. Strong - Books off shelves. Trees shake. Damage.
VII. Very Strong - Difficult to stand. Buildings damaged.
VIII. Destructive - Significant damage. Trees broken.
IX. Violent - General panic. Serious damage. Cracks.
X. Intense - Most buildings destroyed. Rails bent.
XI. Extreme - Rails bent greatly. Pipelines destroyed.
XII. Catastrophic - Near total damage.

This app allows you monitor and share the results of your measurements with other users.

Measure and monitor all vibration and shocks using smartphone or tablet!

## Key features

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

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

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


## Recent user reviews (10 of 70)

All indexed reviews: https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201/reviews.md

### 1/5 — 差

*2026-07-31*

本人设备iPhone6，试了好几遍就是打不开

### 4/5 — It works

*2026-06-19*

Worth it to pay for the premium version (no ads and data export). I wish I could change the display scale, I have to export it in order to zoom in, like +/- 0.05.  If I could zoom in or change the scale I could use it in real time as I am measuring subtle vibrations, from machinery in a building.  Also wish I could add more info to the history or the file name, instead of relying on noting down or remembering the order of measurements.

### 5/5 — Car upgrade

*2026-05-29*

Used this to install motor mounts , transmission mounts and coilovers. Taped phone to dash

### 1/5 — 환불

*2026-03-02*

유료라고 표시도 도둑맞은느낌이네요 환불해주세요

**Developer response:** 이전에 프리미엄 서비스를 구매하셨는데 현재 이용할 수 없는 경우, 메뉴에서 ["Restore Purchases"] 옵션을 선택해 주세요. 다른 문제가 발생하면 help@examobile.pl로 문의해 주시면 도와드리겠습니다. 감사합니다. EXA 팀 드림

### 5/5 — 무료인데요?

*2026-02-10*

들어가면 광고 하나 뜨긴 한데 잘 되는데요? 유료라는 사람들은 뭐죠?

### 1/5 — 为什么我的打不开

*2026-02-01*

为什么我的打不开

**Developer response:** 如果遇到任何问题，请联系我们：help@examobile.pl，我们将尽快为您提供帮助或解决问题。谢谢！此致，Exa 支持团队

### 5/5 — Bob

*2025-12-09*

This app works faultlessly. Thank you to the developer. VK3SSS

### 5/5 — Louis Rogereau

*2025-11-13, version 1.6*

Un message pour tout se qu’il vont l’installer pour sa profs d’svt

### 1/5 — Ücretli indirmeyin

*2025-11-10, version 1.6*

Alarm vermesi için Elimizi cebinize atmasını istiyor. Beş para etmez

### 5/5 — Seismic activity !

*2025-09-04*

Excellent app,! Amazing to know what’s happening right below my feet ! 😳

## Frequently asked questions about Vibration Meter, seismograph

### What does the Vibration Meter app do?

This app functions as a seismograph or seismometer, utilizing your mobile device's accelerometer to measure the strength of various vibrations. It can detect and record seismic waves from sources like earthquakes, volcanic eruptions, avalanches, and other shocks. The app also presents ground motion data on a graph and uses an instrumental intensity scale for analysis.

### How does the app measure vibrations?

The application leverages the accelerometer built into your smartphone or tablet to detect vibrations. This sensor records the movement of the device, which is then analyzed to measure the strength and characteristics of the vibrations. The data is presented as a graph showing ground movement over time along three Cartesian axes.

### What scales does the app use for measurement?

The app uses the Instrumental Intensity Scale, developed by the United States Geological Survey, which maps peak ground acceleration and peak ground velocity. This scale is similar to the felt Mercalli Scale and helps categorize the intensity of vibrations based on their recorded effects. It distinguishes between various levels of vibration impact, from 'Instrumental' to 'Catastrophic'.

### Can I share my vibration measurements?

Yes, the app allows you to monitor and share the results of your vibration measurements with other users. This feature enables collaboration and broader data collection for seismic or vibration analysis.

### Is this app compatible with all devices?

The application is designed to work on smartphones and tablets. Its functionality relies on the device's accelerometer, so compatibility will depend on the presence and performance of this hardware component in your specific mobile device.

## Version history (last 5 releases)

### 1.7 — 2026-03-27

This update from Apple will improve the functionality of this app. No new features are included.

New Premium features:
- History of measurements
- CSV data export
Improved screen layouts
Bug fixes and stability improvements

### 1.6 — 2025-08-23

Improved screens layouts
Bug fixes and stability improvements

### 1.5 — 2024-06-12

Improved screens layouts
Bug fixes and stability improvements

### 1.3 — 2021-06-24

Improved screens layouts
Bug fixes and stability improvements

### 1.2 — 2017-06-14

This app has been updated by Apple to display the Apple Watch app icon.

Added Premium - new options: 
- No ads 
- SOS Rescue Signal (sound, lights and vibrations)

## Apps similar to Vibration Meter, seismograph

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Vibration meter - Seismometer](https://appshunter.io/ios/app/vibration-meter-seismometer/id1373632255) | 4.4 (14) | Free | Utilities |
| [Wake up! Earthquake LITE](https://appshunter.io/ios/app/wake-up-earthquake-lite/id603942465) | 3.3 (24) | Free | Utilities |
| [Sound Spectrum Analysis](https://appshunter.io/ios/app/sound-spectrum-analysis/id1434975523) | 3.6 (41) | Free | Utilities |
| [Audio Function Generator](https://appshunter.io/ios/app/audio-function-generator/id768229610) | 4.7 (2,183) | Free | Utilities |
| [Vibration analysis](https://appshunter.io/ios/app/vibration-analysis/id817385888) | 4.0 (43) | Free | Utilities |
| [Seismometer+](https://appshunter.io/ios/app/seismometer-plus/id6739265160) | 4.8 (26) | Free | Utilities |

## More apps by ExaMobile S.A.

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All apps by ExaMobile S.A.: https://appshunter.io/developer/506014841

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*