# 数学公式チェック vs 高校数学 数I〜数C 解法の最初の一手

The clearest difference is iOS requirement: 数学公式チェック at 6.0 against 高校数学 数I〜数C 解法の最初の一手's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 数学公式チェック sells 1 one-off in-app purchase and 高校数学 数I〜数C 解法の最初の一手 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

数学公式チェック ships an update every 2 weeks, 高校数学 数I〜数C 解法の最初の一手 weekly. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 数学公式チェック | 高校数学 数I〜数C 解法の最初の一手 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 8 MB | 22 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shinichiro Shiba](https://appshunter.io/developer/876799918) | [Gen Nakanishi](https://appshunter.io/developer/6782112814) |

## What reviewers say

### 数学公式チェック

[App page](https://appshunter.io/ios/app/id909857086)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 数学公式チェック広告削除 | $0.99 | one-time |


### 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 |


## Frequently asked questions

### Is 数学公式チェック free?

数学公式チェック is free to download, with in-app purchases available.

### 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.

### Do 数学公式チェック or 高校数学 数I〜数C 解法の最初の一手 have ads?

Neither 数学公式チェック nor 高校数学 数I〜数C 解法の最初の一手 shows ads.

### Which is updated more often, 数学公式チェック or 高校数学 数I〜数C 解法の最初の一手?

数学公式チェック ships an update every 2 weeks, and 高校数学 数I〜数C 解法の最初の一手 weekly. Most recently, 数学公式チェック was updated on October 26, 2026 and 高校数学 数I〜数C 解法の最初の一手 on October 28, 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.*