# Vibration analysis vs Seismometer+

The clearest difference is rating: Seismometer+ at 4.5 against Vibration analysis's 4.0. Seismometer+ also leads on in-app purchases (none vs 2) and review sentiment (67% vs 57%). Vibration analysis's advantage is ads (none vs shown). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Vibration analysis sells 2 one-off in-app purchases. Seismometer+ asks for nothing beyond the download.

Seismometer+ holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 43 and 82 respectively. Written reviews point the same way: 57% of Vibration analysis's written reviews are positive against 67% of Seismometer+'s.

## The numbers

| Metric | Vibration analysis | Seismometer+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (43 ratings)](https://appshunter.io/ios/app/vibration-analysis/id817385888/reviews) | **[4.5 (82 ratings)](https://appshunter.io/ios/app/seismometer-plus/id6739265160/reviews)** |
| Number of ratings | 43 | **82** |
| Positive reviews | 57.4% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 5 MB | 3 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) | [UniCom Technology](https://appshunter.io/developer/1270764210) |

## What reviewers say

### Vibration analysis

[App page](https://appshunter.io/ios/app/vibration-analysis/id817385888)

This app analyzes phone accelerometer data to create a vibration spectrum. It helps evaluate vibration strength, frequency, and the rotation speed of various mechanisms like fans and motors. Useful for quality checks, malfunction detection, and balancing homemade rotating parts.

**Highlights:** Vibration spectrum analysis, Rotation speed evaluation, Mechanism quality assessment, Malfunction monitoring, Customizable FFT size, Multiple units of measurement, Peak frequency detection

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Settings | $2.99 | one-time |
| External accelerometer | $2.99 | 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 analysis free?

Vibration analysis 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 analysis or Seismometer+?

Seismometer+ is rated higher. Vibration analysis averages 4.0 out of 5 from 43 ratings, while Seismometer+ averages 4.5 from 82 ratings.

### Do Vibration analysis or Seismometer+ have ads?

Seismometer+ shows ads; Vibration analysis 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.*