# 情報の王様 vs 情報Ｉ｜アシストシステム

情報の王様 and 情報Ｉ｜アシストシステム 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. 情報の王様 sells 3 in-app purchases, starting at $1.99 per month and 情報Ｉ｜アシストシステム sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

情報の王様 ships an update every 6 weeks, 情報Ｉ｜アシストシステム monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 情報の王様 | 情報Ｉ｜アシストシステム |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 138 MB | 200 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HANAUTA INC.](https://appshunter.io/developer/492009717) | [Tsuyoshi Hayakawa](https://appshunter.io/developer/314516929) |

## What reviewers say

### 情報の王様

[App page](https://appshunter.io/ios/app/1/id6467608924)

Master high school information studies with this quiz-style app. It offers over 1000 questions in Q&A and multiple-choice formats, perfect for quick study sessions, exam preparation, and reinforcing key concepts. Enjoy a game-like experience with rewards for clearing stages.

**Highlights:** Over 1000 Q&A and multiple-choice questions, Short play sessions for flexible study, Covers high school and university exam material, Game-like progression with stage clearing, Gift rewards for completing quests, Efficient memorization of key points

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 特訓プラン | $1.99 | per month |
| 特訓プラン | $11.99 | per 6 months |
| 特訓プラン | $19.99 | per year |


### 情報Ｉ｜アシストシステム

[App page](https://appshunter.io/ios/app/id6553995227)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 問題・解説追加 | $2.99 | one-time |


## Frequently asked questions

### Is 情報の王様 free?

情報の王様 is free to download, with in-app purchases available.

### Is 情報Ｉ｜アシストシステム free?

情報Ｉ｜アシストシステム is free to download, with in-app purchases available.

### Do 情報の王様 or 情報Ｉ｜アシストシステム have ads?

Both 情報の王様 and 情報Ｉ｜アシストシステム show ads.

### Which is updated more often, 情報の王様 or 情報Ｉ｜アシストシステム?

情報の王様 ships an update every 6 weeks, and 情報Ｉ｜アシストシステム monthly. Most recently, 情報の王様 was updated on October 24, 2026 and 情報Ｉ｜アシストシステム on October 25, 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.*