# 高校数学 数I〜数C 解法の最初の一手 vs 化学マスター

The clearest difference is iOS requirement: 高校数学 数I〜数C 解法の最初の一手 at 15.0 against 化学マスター's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 高校数学 数I〜数C 解法の最初の一手 sells 1 one-off in-app purchase and 化学マスター sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

高校数学 数I〜数C 解法の最初の一手 ships an update weekly, 化学マスター every 5 days. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 高校数学 数I〜数C 解法の最初の一手 | 化学マスター |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Size | 22 MB | 37 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gen Nakanishi](https://appshunter.io/developer/6782112814) | [ryo otsuka](https://appshunter.io/developer/6788628020) |

## What reviewers say

### 高校数学 数I〜数C 解法の最初の一手

[App page](https://appshunter.io/ios/app/ic/id6782112812)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全解放（すべての初手） | $4.99 | one-time |


### 化学マスター

[App page](https://appshunter.io/ios/app/id6788745347)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 化学マスター Pro | $2.99 | one-time |


## Frequently asked questions

### Is 高校数学 数I〜数C 解法の最初の一手 free?

高校数学 数I〜数C 解法の最初の一手 is free to download, with in-app purchases available.

### Is 化学マスター free?

化学マスター is free to download, with in-app purchases available.

### Do 高校数学 数I〜数C 解法の最初の一手 or 化学マスター have ads?

Neither 高校数学 数I〜数C 解法の最初の一手 nor 化学マスター shows ads.

### Which is updated more often, 高校数学 数I〜数C 解法の最初の一手 or 化学マスター?

高校数学 数I〜数C 解法の最初の一手 ships an update weekly, and 化学マスター every 5 days. Most recently, 高校数学 数I〜数C 解法の最初の一手 was updated on October 28, 2026 and 化学マスター on November 5, 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.*