# Ruby Wireless Sensor vs TPE Amplifier

The clearest difference is iOS requirement: TPE Amplifier at 12.0 against Ruby Wireless Sensor's 14.2. On price, ads, 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.

## The numbers

| Metric | Ruby Wireless Sensor | TPE Amplifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ruby-wireless-sensor/id6473813823/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 76 MB | 5 MB |
| Requires iOS | 14.2 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Crystal Instruments Corporation](https://appshunter.io/developer/496441607) | [SEIKAKU](https://appshunter.io/developer/860317297) |

## 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


### TPE Amplifier

[App page](https://appshunter.io/ios/app/tpe-amplifier/id6756290732)

**Features:** macOS Compatibility

**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 TPE Amplifier free?

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

### Do Ruby Wireless Sensor or TPE Amplifier have ads?

Neither Ruby Wireless Sensor nor TPE Amplifier 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.*