# Sugaku vs 高校数学の解法

The clearest difference is ads: Sugaku at none against 高校数学の解法's shown. 高校数学の解法's advantage is update cadence (every 4 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Sugaku sells 1 one-off in-app purchase and 高校数学の解法 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sugaku ships an update every 2 weeks, 高校数学の解法 every 4 days. The most recent releases landed on August 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Sugaku | 高校数学の解法 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 59 MB | 134 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sae Ueno](https://appshunter.io/developer/1598709865) | [Shogo Shibuya](https://appshunter.io/developer/1671795647) |

## What reviewers say

### Sugaku

[App page](https://appshunter.io/ios/app/sugaku21/id1615551272)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $0.99 | one-time |


### 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 |


## Frequently asked questions

### Is Sugaku free?

Sugaku is free to download, with in-app purchases available.

### 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.

### Do Sugaku or 高校数学の解法 have ads?

高校数学の解法 shows ads; Sugaku does not.

### Which is updated more often, Sugaku or 高校数学の解法?

Sugaku ships an update every 2 weeks, and 高校数学の解法 every 4 days. Most recently, Sugaku was updated on August 24, 2026 and 高校数学の解法 on September 23, 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.*