# Ruby Compiler vs JuLearn

The clearest difference is price: Ruby Compiler at Free against JuLearn's $5.99. Ruby Compiler also leads on iOS requirement (12.0 vs 15.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

Ruby Compiler is free to download; JuLearn costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 1, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Ruby Compiler | JuLearn |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Paid |
| Size | 28 MB | 57 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OnePercent](https://appshunter.io/developer/1536020418) | [SimTeCon GmbH](https://appshunter.io/developer/1761797043) |

## What reviewers say

### Ruby Compiler

[App page](https://appshunter.io/ios/app/ruby-compiler-rub-rb-code/id1546362321)

**Features:** macOS Compatibility

**In-app purchases:** none


### JuLearn

[App page](https://appshunter.io/ios/app/julearn/id6740006034)

Master Julia programming with a comprehensive, offline learning path. Covers fundamentals to advanced scientific computing and metaprogramming through structured units, coding exercises, and flashcards. Ideal for developers, scientists, and data analysts.

**Highlights:** 12 in-depth learning units, 70 coding exercises per unit, Julia Cheatsheet, Julia & TensorFlow Flashcards, Progress tracking, Full offline access, Daily coding challenges

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

**In-app purchases:** none


## Frequently asked questions

### Is Ruby Compiler free?

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

### Is JuLearn free?

JuLearn costs $5.99, with no in-app purchases.

### Do Ruby Compiler or JuLearn have ads?

Neither Ruby Compiler nor JuLearn shows ads.

### Which is updated more often, Ruby Compiler or JuLearn?

Ruby Compiler ships an update every 2 months, and JuLearn every 2 months. Most recently, Ruby Compiler was updated on June 1, 2026 and JuLearn 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.*