# 特定技能試験シリーズ vs irohana study

The clearest difference is in-app purchases: irohana study at none against 特定技能試験シリーズ's 10. irohana study also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. 特定技能試験シリーズ sells 10 one-off in-app purchases. irohana study asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 特定技能試験シリーズ | irohana study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 164 MB | 31 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Push on Inc.](https://appshunter.io/developer/1067610437) | [いろはな株式会社](https://appshunter.io/developer/1895809972) |

## What reviewers say

### 特定技能試験シリーズ

[App page](https://appshunter.io/ios/app/id6761899324)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 第１回テスト（建築） | $2.99 | one-time |
| 第２回テスト（建築） | $2.99 | one-time |
| 第３回テスト（建築） | $2.99 | one-time |
| 第４回テスト（建築） | $2.99 | one-time |
| 第５回テスト（建築） | $2.99 | one-time |
| 第１回テスト（ライフライン・設備） | $2.99 | one-time |
| 第２回テスト（ライフライン・設備） | $2.99 | one-time |
| 第３回テスト（ライフライン・設備） | $2.99 | one-time |
| 第４回テスト（ライフライン・設備） | $2.99 | one-time |
| 第５回テスト（ライフライン・設備） | $2.99 | one-time |


### irohana study

[App page](https://appshunter.io/ios/app/irohana-study/id6766210474)

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

**In-app purchases:** none


## Frequently asked questions

### Is 特定技能試験シリーズ free?

特定技能試験シリーズ is free to download, with in-app purchases available.

### Is irohana study free?

irohana study is free to download, with no in-app purchases.

### Do 特定技能試験シリーズ or irohana study have ads?

Neither 特定技能試験シリーズ nor irohana study shows ads.

### Which is updated more often, 特定技能試験シリーズ or irohana study?

特定技能試験シリーズ ships an update every 2 months, and irohana study every 2 months. Most recently, 特定技能試験シリーズ was updated on October 25, 2026 and irohana study on October 31, 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.*