# Vibration Meter, seismograph vs Seismometer+

The clearest difference is in-app purchases: Seismometer+ at none against Vibration Meter, seismograph's 1. Seismometer+ also leads on review sentiment (67% vs 42%). Vibration Meter, seismograph's advantage is ads (none vs shown) and rating (4.7 vs 4.5). On price and device support there is nothing between them.

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

Vibration Meter, seismograph holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Vibration Meter, seismograph has 717 ratings behind it against 82, so its average is the more settled of the two. Written reviews complicate that: 42% of Vibration Meter, seismograph's written reviews are positive against 67% of Seismometer+'s, so the app with the better star average is not the one people write more warmly about.

## The numbers

| Metric | Vibration Meter, seismograph | Seismometer+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (717 ratings)](https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201/reviews)** | [4.5 (82 ratings)](https://appshunter.io/ios/app/seismometer-plus/id6739265160/reviews) |
| Number of ratings | **717** | 82 |
| Positive reviews | 41.7% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | — |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 18 MB | 3 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [UniCom Technology](https://appshunter.io/developer/1270764210) |

## 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 |


### Seismometer+

[App page](https://appshunter.io/ios/app/seismometer-plus/id6739265160)

Transform your device into a powerful seismometer to measure and visualize vibrations in real time. Track tremors, analyze surface stability, and explore the unseen movements around you with intuitive graphical displays. Perfect for science enthusiasts and the curious.

**Highlights:** Real-time X, Y, Z axis acceleration graphs, Cumulative vibration intensity analysis, Adjustable long-term data recording intervals, Dark mode display, Customizable graph update rates and sensitivity

**Features:** macOS Compatibility, 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 Seismometer+ free?

Seismometer+ is free to download, with no in-app purchases.

### Which has better reviews, Vibration Meter, seismograph or Seismometer+?

Vibration Meter, seismograph is rated higher. Vibration Meter, seismograph averages 4.7 out of 5 from 717 ratings, while Seismometer+ averages 4.5 from 82 ratings.

### Do Vibration Meter, seismograph or Seismometer+ have ads?

Seismometer+ shows ads; Vibration Meter, seismograph does not.

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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.*