# 39Tools vs Learn Ruby Fast

The clearest difference is in-app purchases: 39Tools at none against Learn Ruby Fast's 2. 39Tools also leads on iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Learn Ruby Fast sells 2 in-app purchases, starting at $9.99 per month. 39Tools asks for nothing beyond the download.

39Tools ships an update every 9 months, Learn Ruby Fast every 6 months. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 39Tools | Learn Ruby Fast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/learn-ruby-fast/id6754417791/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 months** |
| Monetization | — | Free with in-app purchases |
| Size | 112 MB | 47 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [策 王](https://appshunter.io/developer/1681706231) | [Dalvin Digital](https://appshunter.io/developer/1814271404) |

## What reviewers say

### 39Tools

[App page](https://appshunter.io/ios/app/39tools/id6447797534)

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

**In-app purchases:** none


### Learn Ruby Fast

[App page](https://appshunter.io/ios/app/learn-ruby-fast/id6754417791)

Master Ruby programming fundamentals with interactive lessons designed for beginners. This app guides you through essential coding skills, making it accessible to learn on your mobile device. Explore the basics of app and website development.

**Highlights:** Guided programming lessons, Core Ruby skills, Beginner-friendly, Mobile learning, App and website development basics

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Annually | $59.99 | per year |


## Frequently asked questions

### Is 39Tools free?

39Tools is free to download, with no in-app purchases.

### Is Learn Ruby Fast free?

Learn Ruby Fast is free to download, with in-app purchases available.

### Do 39Tools or Learn Ruby Fast have ads?

Neither 39Tools nor Learn Ruby Fast shows ads.

### Which is updated more often, 39Tools or Learn Ruby Fast?

39Tools ships an update every 9 months, and Learn Ruby Fast every 6 months. Most recently, 39Tools was updated on October 20, 2026 and Learn Ruby Fast on October 19, 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.*