# 国家資格 シカクイロ vs Ruby Association Silver v3

国家資格 シカクイロ and Ruby Association Silver v3 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 国家資格 シカクイロ sells 1 one-off in-app purchase and Ruby Association Silver v3 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

国家資格 シカクイロ ships an update every 3 days, Ruby Association Silver v3 every 6 days. Both last shipped on November 13, 2026.

## The numbers

| Metric | 国家資格 シカクイロ | Ruby Association Silver v3 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Monetization | Free | — |
| Size | 55 MB | 148 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JYUNTO YOSHIKAWA](https://appshunter.io/developer/6791851224) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### 国家資格 シカクイロ

[App page](https://appshunter.io/ios/app/id6791851222)

This app helps users prepare for national certification exams through engaging songs and practice questions. It features virtual idols who guide users through various subjects, offering mock tests and extensive question banks. All learning features are free and ad-free.

**Highlights:** Learn with songs from virtual idols, Extensive practice questions (2,940 original, 4,400 past), Mock exams simulating real test conditions, Progress tracking and spaced repetition, Offline playback for songs, Multiple exam categories covered

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（覚え歌 全曲＋FC特典） | $5.99 | one-time |


### Ruby Association Silver v3

[App page](https://appshunter.io/ios/app/ruby-association-silver-v3/id6794914205)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $3.49 | one-time |


## Frequently asked questions

### Is 国家資格 シカクイロ free?

国家資格 シカクイロ is free to download, with in-app purchases available.

### Is Ruby Association Silver v3 free?

Ruby Association Silver v3 is free to download, with in-app purchases available.

### Do 国家資格 シカクイロ or Ruby Association Silver v3 have ads?

Neither 国家資格 シカクイロ nor Ruby Association Silver v3 shows ads.

### Which is updated more often, 国家資格 シカクイロ or Ruby Association Silver v3?

国家資格 シカクイロ ships an update every 3 days, and Ruby Association Silver v3 every 6 days. Most recently, 国家資格 シカクイロ was updated on November 13, 2026 and Ruby Association Silver v3 on November 13, 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.*