# Rubyist vs GRESCharge

The clearest difference is in-app purchases: GRESCharge at none against Rubyist's 3. GRESCharge also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Rubyist sells 3 one-off in-app purchases. GRESCharge asks for nothing beyond the download.

Rubyist ships an update every 3 weeks, GRESCharge every 6 weeks. The most recent releases landed on September 29, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Rubyist | GRESCharge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (93 ratings)](https://appshunter.io/ios/app/rubyist-ruby-scripting/id1539089868/reviews)** | — |
| Number of ratings | **93** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 33 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TSUBASA TECHNOLOGIES LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1539089870) | [Gresgying Digital Technology Co., Ltd.](https://appshunter.io/developer/1723152051) |

## What reviewers say

### Rubyist

[App page](https://appshunter.io/ios/app/rubyist-ruby-scripting/id1539089868)

Execute and automate Ruby scripts directly on your iPhone and iPad. This app utilizes the MRuby VM to run code, integrate with Shortcuts and Siri, and offers a robust editor with syntax highlighting and autocomplete.

**Highlights:** Run Ruby code on device, Editor with syntax highlighting, Code autocomplete, Shortcuts app integration, Siri command creation, Native alerts and inputs, HTTP requests, Clipboard access

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


### GRESCharge

[App page](https://appshunter.io/ios/app/grescharge/id6475035718)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rubyist free?

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

### Is GRESCharge free?

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

### Do Rubyist or GRESCharge have ads?

Neither Rubyist nor GRESCharge shows ads.

### Which is updated more often, Rubyist or GRESCharge?

Rubyist ships an update every 3 weeks, and GRESCharge every 6 weeks. Most recently, Rubyist was updated on September 29, 2026 and GRESCharge on September 10, 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.*