# Ruby Wireless Sensor vs Pingman

The clearest difference is in-app purchases: Ruby Wireless Sensor at none against Pingman's 3. Ruby Wireless Sensor also leads on update cadence (every 3 weeks vs every 5 months) and iOS requirement (14.2 vs 16). On price, ads and device support there is nothing between them.

Both are free to download. Pingman sells 3 in-app purchases, starting at $0.29 per month. Ruby Wireless Sensor asks for nothing beyond the download.

Ruby Wireless Sensor ships an update every 3 weeks, Pingman every 5 months. The most recent releases landed on June 11, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Ruby Wireless Sensor | Pingman |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 76 MB | 26 MB |
| Requires iOS | **14.2** | 16 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Crystal Instruments Corporation](https://appshunter.io/developer/496441607) | [伟 葛](https://appshunter.io/developer/1028908732) |

## 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


### Pingman

[App page](https://appshunter.io/ios/app/pingman-a-ping-tool/id6746965846)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pingman Pro | $0.29 | per month |
| Pingman Pro | $0.99 | per year |
| Pingman Pro | $2.99 | one-time |


## Frequently asked questions

### Is Ruby Wireless Sensor free?

Ruby Wireless Sensor is free to download, with no in-app purchases.

### Is Pingman free?

Pingman is free to download, with in-app purchases available.

### Do Ruby Wireless Sensor or Pingman have ads?

Neither Ruby Wireless Sensor nor Pingman shows ads.

### Which is updated more often, Ruby Wireless Sensor or Pingman?

Ruby Wireless Sensor ships an update every 3 weeks, and Pingman every 5 months. Most recently, Ruby Wireless Sensor was updated on June 11, 2026 and Pingman on September 5, 2026.

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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.*