# Vibration Meter, seismograph vs Acc.elerometer

The clearest difference is review sentiment: Acc.elerometer at 100% against Vibration Meter, seismograph's 42%. Acc.elerometer also leads on in-app purchases (none vs 1) and rating (5.0 vs 4.7). Vibration Meter, seismograph's advantage is ratings volume (717 vs 1) and iOS requirement (12.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Vibration Meter, seismograph sells 1 one-off in-app purchase. Acc.elerometer asks for nothing beyond the download.

Acc.elerometer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Vibration Meter, seismograph has 717 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 42% of Vibration Meter, seismograph's written reviews are positive against 100% of Acc.elerometer's.

Vibration Meter, seismograph ships an update every 7 months, Acc.elerometer every 11 months. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Vibration Meter, seismograph | Acc.elerometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (717 ratings)](https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/accelerometer/id1631020465/reviews)** |
| Number of ratings | **717** | 1 |
| Positive reviews | 41.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 11 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 18 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [Pantiukhin Andrei](https://appshunter.io/developer/1585711909) |

## 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 |


### Acc.elerometer

[App page](https://appshunter.io/ios/app/accelerometer/id1631020465)

Visualize and record device motion with live sensor readings. Analyze acceleration, rotation, magnetic field, and attitude. Export data as CSV for further analysis.

**Highlights:** Live sensor readings, Record experiments, Analyze results on iPhone/iPad, Capture motion on Apple Watch, Export data as CSV, Six measurement types

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Vibration Meter, seismograph free?

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

### Is Acc.elerometer free?

Acc.elerometer is free to download, with no in-app purchases.

### Which has better reviews, Vibration Meter, seismograph or Acc.elerometer?

Acc.elerometer is rated higher. Vibration Meter, seismograph averages 4.7 out of 5 from 717 ratings, while Acc.elerometer averages 5.0 from 1 ratings.

### Do Vibration Meter, seismograph or Acc.elerometer have ads?

Neither Vibration Meter, seismograph nor Acc.elerometer shows ads.

### Which is updated more often, Vibration Meter, seismograph or Acc.elerometer?

Vibration Meter, seismograph ships an update every 7 months, and Acc.elerometer every 11 months. Most recently, Vibration Meter, seismograph was updated on October 18, 2026 and Acc.elerometer on October 3, 2026.

---

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