# RubySketch vs Qsfix NFC

The clearest difference is in-app purchases: Qsfix NFC at none against RubySketch's 1. Qsfix NFC also leads on ads (none vs shown) and update cadence (every 5 days vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. RubySketch sells 1 one-off in-app purchase. Qsfix NFC asks for nothing beyond the download.

RubySketch ships an update every 5 weeks, Qsfix NFC every 5 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | RubySketch | Qsfix NFC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (24 ratings)](https://appshunter.io/ios/app/rubysketch-graphics-and-games/id1491477639/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 82 MB | 21 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Noritaka Suzuki](https://appshunter.io/developer/1491477638) | [Q'sfix Corporation](https://appshunter.io/developer/1545088572) |

## What reviewers say

### RubySketch

[App page](https://appshunter.io/ios/app/rubysketch-graphics-and-games/id1491477639)

This app provides a Ruby interpreter and text editor, allowing users to write and run Ruby scripts. It also features a graphics API compatible with Processing for creative coding on mobile devices.

**Highlights:** Built-in Ruby interpreter (CRuby/MRI), Processing-compatible graphics API, Text editor with easy cursor movement, Physics-capable sprites, Image input from camera, Sound playback, Sample scripts and games

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


### Qsfix NFC

[App page](https://appshunter.io/ios/app/qsfix-nfc-reader/id1557613279)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RubySketch free?

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

### Is Qsfix NFC free?

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

### Do RubySketch or Qsfix NFC have ads?

RubySketch shows ads; Qsfix NFC does not.

### Which is updated more often, RubySketch or Qsfix NFC?

RubySketch ships an update every 5 weeks, and Qsfix NFC every 5 days. Most recently, RubySketch was updated on November 7, 2026 and Qsfix NFC on November 3, 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.*