# Seismometer+ vs Structural Floor Vibration

The clearest difference is rating: Structural Floor Vibration at 5.0 against Seismometer+'s 4.5. Structural Floor Vibration also leads on ads (none vs shown) and monetization model (free vs ad-supported). Seismometer+'s advantage is ratings volume (82 vs 1) and iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Structural Floor Vibration holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Seismometer+ has 82 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Seismometer+ | Structural Floor Vibration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (82 ratings)](https://appshunter.io/ios/app/seismometer-plus/id6739265160/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/structural-floor-vibration/id6745415659/reviews)** |
| Number of ratings | **82** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Monetization | Ad-supported | **Free** |
| Size | 3 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UniCom Technology](https://appshunter.io/developer/1270764210) | [ESI Engineering](https://appshunter.io/developer/1812109983) |

## What reviewers say

### 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


### Structural Floor Vibration

[App page](https://appshunter.io/ios/app/structural-floor-vibration/id6745415659)

This utility app measures and records floor vibrations using your device's accelerometer. It helps users evaluate vibration levels and compare them against established engineering criteria for steel-framed structures.

**Highlights:** Measure floor vibration, Record vibration data, Evaluate vibration levels, Compare amplitudes to criteria, Uses device accelerometer

**In-app purchases:** none


## Frequently asked questions

### Is Seismometer+ free?

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

### Is Structural Floor Vibration free?

Structural Floor Vibration is free to download, with no in-app purchases.

### Which has better reviews, Seismometer+ or Structural Floor Vibration?

Structural Floor Vibration is rated higher. Seismometer+ averages 4.5 out of 5 from 82 ratings, while Structural Floor Vibration averages 5.0 from 1 ratings.

### Do Seismometer+ or Structural Floor Vibration have ads?

Seismometer+ shows ads; Structural Floor Vibration 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.*