# Sugoku vs 高校生物 一問一答｜生物マスター

The clearest difference is in-app purchases: 高校生物 一問一答｜生物マスター at none against Sugoku's 3. Sugoku's advantage is update cadence (every 5 days vs every 4 weeks) and iOS requirement (17.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Sugoku sells 3 in-app purchases, starting at $2.99 per month. 高校生物 一問一答｜生物マスター asks for nothing beyond the download.

Sugoku ships an update every 5 days, 高校生物 一問一答｜生物マスター every 4 weeks. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Sugoku | 高校生物 一問一答｜生物マスター |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 4 weeks |
| Size | 480 MB | 12 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ryo otsuka](https://appshunter.io/developer/6788628020) | [Hirokazu Kurokawa](https://appshunter.io/developer/463196366) |

## What reviewers say

### Sugoku

[App page](https://appshunter.io/ios/app/sugoku-math-practice-drills/id6788627418)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $22.99 | per year |
| プレミアムプラン | $1.99 | one-time |


### 高校生物 一問一答｜生物マスター

[App page](https://appshunter.io/ios/app/id6807654856)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sugoku free?

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

### Is 高校生物 一問一答｜生物マスター free?

高校生物 一問一答｜生物マスター is free to download, with no in-app purchases.

### Do Sugoku or 高校生物 一問一答｜生物マスター have ads?

Both Sugoku and 高校生物 一問一答｜生物マスター show ads.

### Which is updated more often, Sugoku or 高校生物 一問一答｜生物マスター?

Sugoku ships an update every 5 days, and 高校生物 一問一答｜生物マスター every 4 weeks. Most recently, Sugoku was updated on November 10, 2026 and 高校生物 一問一答｜生物マスター on November 6, 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.*