# 高校数学の解法 vs 情報の王様

The clearest difference is update cadence: 高校数学の解法 at every 4 days against 情報の王様's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 高校数学の解法 sells 2 one-off in-app purchases and 情報の王様 sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

高校数学の解法 ships an update every 4 days, 情報の王様 every 6 weeks. The most recent releases landed on September 23, 2026 and August 4, 2026 respectively.

## The numbers

| Metric | 高校数学の解法 | 情報の王様 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 134 MB | 138 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shogo Shibuya](https://appshunter.io/developer/1671795647) | [HANAUTA INC.](https://appshunter.io/developer/492009717) |

## What reviewers say

### 高校数学の解法

[App page](https://appshunter.io/ios/app/id6445906314)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の非表示 | $2.99 | one-time |
| Premium（買い切り） | $14.99 | one-time |


### 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 |


## Frequently asked questions

### Is 高校数学の解法 free?

高校数学の解法 is free to download, with in-app purchases available.

### Is 情報の王様 free?

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

### Do 高校数学の解法 or 情報の王様 have ads?

Both 高校数学の解法 and 情報の王様 show ads.

### Which is updated more often, 高校数学の解法 or 情報の王様?

高校数学の解法 ships an update every 4 days, and 情報の王様 every 6 weeks. Most recently, 高校数学の解法 was updated on September 23, 2026 and 情報の王様 on August 4, 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.*