# Ruby Wireless Sensor vs Structural Floor Vibration

The clearest difference is iOS requirement: Ruby Wireless Sensor at 14.2 against Structural Floor Vibration's 17.0. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Ruby Wireless Sensor against 5.0 for Structural Floor Vibration. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Ruby Wireless Sensor | Structural Floor Vibration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ruby-wireless-sensor/id6473813823/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/structural-floor-vibration/id6745415659/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | Free |
| Size | 76 MB | 1 MB |
| Requires iOS | **14.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Crystal Instruments Corporation](https://appshunter.io/developer/496441607) | [ESI Engineering](https://appshunter.io/developer/1812109983) |

## What reviewers say

### Ruby Wireless Sensor

[App page](https://appshunter.io/ios/app/ruby-wireless-sensor/id6473813823)

Connect to a compact wireless sensor to monitor mechanical structures. View real-time vibration data and manage the device via Bluetooth.

**Highlights:** Connect via Bluetooth, Manage wireless sensors, View real-time vibration data, Monitor mechanical structures, Ultracompact device integration

**Features:** macOS Compatibility

**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 Ruby Wireless Sensor free?

Ruby Wireless Sensor 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, Ruby Wireless Sensor or Structural Floor Vibration?

Ruby Wireless Sensor and Structural Floor Vibration are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Ruby Wireless Sensor or Structural Floor Vibration have ads?

Neither Ruby Wireless Sensor nor Structural Floor Vibration shows ads.

---

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