# MetaSill vs Ruby Wireless Sensor

The clearest difference is ratings volume: MetaSill at 4 against Ruby Wireless Sensor's 1. On price, rating, update cadence 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 MetaSill against 5.0 for Ruby Wireless Sensor. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 9, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | MetaSill | Ruby Wireless Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/metasill/id1612433405/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ruby-wireless-sensor/id6473813823/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 45 MB | 76 MB |
| Requires iOS | 15.0 | **14.2** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MetaSill, Inc.](https://appshunter.io/developer/1612433707) | [Crystal Instruments Corporation](https://appshunter.io/developer/496441607) |

## What reviewers say

### MetaSill

[App page](https://appshunter.io/ios/app/metasill/id1612433405)

Showcase and create digital art with AI-powered tools and NFT integration. Browse your collections, mint your creations as NFTs, and list them on marketplaces.

**Highlights:** Digital art display, AI-generated art creation, NFT collection browsing, NFT minting, Marketplace listing, High-quality framing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is MetaSill free?

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

### Is Ruby Wireless Sensor free?

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

### Which has better reviews, MetaSill or Ruby Wireless Sensor?

MetaSill and Ruby Wireless Sensor are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

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

Neither MetaSill nor Ruby Wireless Sensor shows ads.

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

MetaSill ships an update every 3 weeks, and Ruby Wireless Sensor every 3 weeks. Most recently, MetaSill was updated on September 9, 2026 and Ruby Wireless Sensor on June 11, 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.*