# Vibration Meter, seismograph vs Wich

The clearest difference is in-app purchases: Wich at none against Vibration Meter, seismograph's 1. Wich also leads on rating (5.0 vs 4.7). Vibration Meter, seismograph's advantage is ratings volume (732 vs 1) and iOS requirement (12.0 vs 16.6). On price, ads and device support there is nothing between them.

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

Wich 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 732 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Vibration Meter, seismograph | Wich |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (732 ratings)](https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wich-its-decided/id6761280574/reviews)** |
| Number of ratings | **732** | 1 |
| Positive reviews | 42.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 0 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [Borbole Companies LLC](https://appshunter.io/developer/1872149516) |

## 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 |


### Wich

[App page](https://appshunter.io/ios/app/wich-its-decided/id6761280574)

This app offers a quick and visually appealing way to make random choices without any distractions. It features multiple decision modes and a history log for past selections. The app is designed for users who want to avoid overthinking and get a swift answer.

**Highlights:** Multiple decision modes, Random selection, History log, Ad-free experience, No tracking, One-time purchase

**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 Wich free?

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

### Which has better reviews, Vibration Meter, seismograph or Wich?

Wich is rated higher. Vibration Meter, seismograph averages 4.7 out of 5 from 732 ratings, while Wich averages 5.0 from 1 ratings.

### Do Vibration Meter, seismograph or Wich have ads?

Neither Vibration Meter, seismograph nor Wich shows ads.

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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.*