# Ruby 技術者認定試験 対策 vs Ruby Quiz

The clearest difference is price: Ruby Quiz at Free against Ruby 技術者認定試験 対策's $1.99. Ruby 技術者認定試験 対策's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support there is nothing between them.

Ruby Quiz is free to download; Ruby 技術者認定試験 対策 costs $1.99 up front. Ruby Quiz sells 3 in-app purchases, starting at $0.99 per 7 days. Ruby 技術者認定試験 対策 asks for nothing beyond the download.

## The numbers

| Metric | Ruby 技術者認定試験 対策 | Ruby Quiz |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Monthly |
| Size | 20 MB | 81 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daisuke Matsubara](https://appshunter.io/developer/1720755722) | [Creatopia Inc.](https://appshunter.io/developer/1523447963) |

## What reviewers say

### Ruby 技術者認定試験 対策

[App page](https://appshunter.io/ios/app/ruby/id6477194670)

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

**In-app purchases:** none


### Ruby Quiz

[App page](https://appshunter.io/ios/app/ruby-quiz-learn-with-ai/id6739124414)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $0.99 | per 7 days |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $24.99 | per year |


## Frequently asked questions

### Is Ruby 技術者認定試験 対策 free?

Ruby 技術者認定試験 対策 costs $1.99, with no in-app purchases.

### Is Ruby Quiz free?

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

### Do Ruby 技術者認定試験 対策 or Ruby Quiz have ads?

Ruby Quiz shows ads; Ruby 技術者認定試験 対策 does not.

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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.*