# 生物マスター vs 数学Ⅰ・A 共通テスト対策 実戦模試

The clearest difference is in-app purchases: 生物マスター at none against 数学Ⅰ・A 共通テスト対策 実戦模試's 1. 数学Ⅰ・A 共通テスト対策 実戦模試's advantage is update cadence (every 4 days vs every 8 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 数学Ⅰ・A 共通テスト対策 実戦模試 sells 1 one-off in-app purchase. 生物マスター asks for nothing beyond the download.

生物マスター ships an update every 8 days, 数学Ⅰ・A 共通テスト対策 実戦模試 every 4 days. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 生物マスター | 数学Ⅰ・A 共通テスト対策 実戦模試 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Size | 30 MB | 23 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ryo otsuka](https://appshunter.io/developer/6788628020) | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) |

## What reviewers say

### 生物マスター

[App page](https://appshunter.io/ios/app/id6796595184)

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

**In-app purchases:** none


### 数学Ⅰ・A 共通テスト対策 実戦模試

[App page](https://appshunter.io/ios/app/a/id6799184216)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math I-A Mock Exam Pro | $6.99 | one-time |


## Frequently asked questions

### Is 生物マスター free?

生物マスター is free to download, with no in-app purchases.

### Is 数学Ⅰ・A 共通テスト対策 実戦模試 free?

数学Ⅰ・A 共通テスト対策 実戦模試 is free to download, with in-app purchases available.

### Do 生物マスター or 数学Ⅰ・A 共通テスト対策 実戦模試 have ads?

Neither 生物マスター nor 数学Ⅰ・A 共通テスト対策 実戦模試 shows ads.

### Which is updated more often, 生物マスター or 数学Ⅰ・A 共通テスト対策 実戦模試?

生物マスター ships an update every 8 days, and 数学Ⅰ・A 共通テスト対策 実戦模試 every 4 days. Most recently, 生物マスター was updated on October 16, 2026 and 数学Ⅰ・A 共通テスト対策 実戦模試 on October 12, 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.*