# 公共の王様 vs 高校数学

The clearest difference is in-app purchases: 高校数学 at none against 公共の王様's 3. 高校数学 also leads on ads (none vs shown) and update cadence (every 11 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 公共の王様 sells 3 in-app purchases, starting at $2.99 per month. 高校数学 asks for nothing beyond the download.

公共の王様 ships an update monthly, 高校数学 every 11 days. The most recent releases landed on September 17, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | 公共の王様 | 高校数学 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 52.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 11 days** |
| Size | 139 MB | 45 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HANAUTA INC.](https://appshunter.io/developer/492009717) | [郷 田村](https://appshunter.io/developer/1574588679) |

## What reviewers say

### 公共の王様

[App page](https://appshunter.io/ios/app/id1601591814)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 特訓プラン | $2.99 | per month |
| 特訓プラン | $15.49 | per 6 months |
| 特訓プラン | $24.99 | per year |


### 高校数学

[App page](https://appshunter.io/ios/app/id6450528035)

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

**In-app purchases:** none


## Frequently asked questions

### Is 公共の王様 free?

公共の王様 is free to download, with in-app purchases available.

### Is 高校数学 free?

高校数学 is free to download, with no in-app purchases.

### Do 公共の王様 or 高校数学 have ads?

公共の王様 shows ads; 高校数学 does not.

### Which is updated more often, 公共の王様 or 高校数学?

公共の王様 ships an update monthly, and 高校数学 every 11 days. Most recently, 公共の王様 was updated on September 17, 2026 and 高校数学 on October 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*