# rubyi$ vs Quantum Programming Compiler

The clearest difference is price: Quantum Programming Compiler at Free against rubyi$'s $2.99. Quantum Programming Compiler also leads on update cadence (monthly vs every 3 months) and iOS requirement (12.0 vs 14.0). rubyi$'s advantage is rating (4.4 vs 3.4) and in-app purchases (none vs 4). On ratings volume and device support there is nothing between them.

Quantum Programming Compiler is free to download; rubyi$ costs $2.99 up front. Quantum Programming Compiler sells 4 in-app purchases, starting at $2.99 per month. rubyi$ asks for nothing beyond the download.

rubyi$ holds the better App Store score, 4.4 against 3.4. Both are backed by a comparable volume of ratings — 11 and 8 respectively. Written reviews point the same way: 78% of rubyi$'s written reviews are positive against 67% of Quantum Programming Compiler's.

rubyi$ ships an update every 3 months, Quantum Programming Compiler monthly. The most recent releases landed on August 13, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | rubyi$ | Quantum Programming Compiler |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.4 (11 ratings)](https://appshunter.io/ios/app/rubyi-run-code-autocomplete/id583295230/reviews)** | [3.4 (8 ratings)](https://appshunter.io/ios/app/quantum-programming-compiler/id1337663853/reviews) |
| Number of ratings | **11** | 8 |
| Positive reviews | **77.8% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 46 MB | 25 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [小文 黄](https://appshunter.io/developer/490328393) | [Ketan Appa](https://appshunter.io/developer/576435759) |

## What reviewers say

### rubyi$

[App page](https://appshunter.io/ios/app/rubyi-run-code-autocomplete/id583295230)

Learn, run, and share Ruby scripts on your iOS device. Features include code autocompletion, syntax highlighting, and a built-in browser for learning materials. Customize your coding environment and share your creations easily.

**Highlights:** Code autocompletion, Syntax highlighting, Built-in browser, File system support, Customizable interface, Code sharing

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Quantum Programming Compiler

[App page](https://appshunter.io/ios/app/quantum-programming-compiler/id1337663853)

Learn and execute quantum computing code directly on your mobile device. This app offers tutorials for beginners and professionals, a code editor with syntax highlighting, and the ability to compile and run quantum programs using Python 3.7.

**Highlights:** Compile and run quantum programs, Syntax highlighting editor, Custom keyboard for quantum characters, Plotting and graphing support, Easy and advanced tutorials, Open, save, import, and share files

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $2.99 | per month |
| 6 Months | $11.99 | per 6 months |
| 1 Year | $17.99 | per year |
| Upgrade | $6.99 | one-time |


## Frequently asked questions

### Is rubyi$ free?

rubyi$ costs $2.99, with no in-app purchases.

### Is Quantum Programming Compiler free?

Quantum Programming Compiler is free to download, with in-app purchases available.

### Which has better reviews, rubyi$ or Quantum Programming Compiler?

rubyi$ is rated higher. rubyi$ averages 4.4 out of 5 from 11 ratings, while Quantum Programming Compiler averages 3.4 from 8 ratings.

### Do rubyi$ or Quantum Programming Compiler have ads?

Quantum Programming Compiler shows ads; rubyi$ does not.

### Which is updated more often, rubyi$ or Quantum Programming Compiler?

rubyi$ ships an update every 3 months, and Quantum Programming Compiler monthly. Most recently, rubyi$ was updated on August 13, 2026 and Quantum Programming Compiler on September 23, 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.*