# 数学公式チェック vs 共テのための高校情報I

The clearest difference is ads: 数学公式チェック at none against 共テのための高校情報I's shown. 数学公式チェック also leads on iOS requirement (6.0 vs 15.6). On price, update cadence, in-app purchases and device support 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 共テのための高校情報I sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 数学公式チェック | 共テのための高校情報I |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 8 MB | 12 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shinichiro Shiba](https://appshunter.io/developer/876799918) | [TomatoAppLab](https://appshunter.io/developer/1676711750) |

## What reviewers say

### 数学公式チェック

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

**In-app purchases (1)**

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


### 共テのための高校情報I

[App page](https://appshunter.io/ios/app/i/id6752214850)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| アプリ内の広告を消す | $1.99 | 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 共テのための高校情報I free?

共テのための高校情報I is free to download, with in-app purchases available.

### Do 数学公式チェック or 共テのための高校情報I have ads?

共テのための高校情報I shows ads; 数学公式チェック does not.

### Which is updated more often, 数学公式チェック or 共テのための高校情報I?

数学公式チェック ships an update every 2 weeks, and 共テのための高校情報I every 2 weeks. Most recently, 数学公式チェック was updated on October 21, 2026 and 共テのための高校情報I on October 14, 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.*