# 数学公式チェック vs 中学数学グラフ

The clearest difference is in-app purchases: 中学数学グラフ at none against 数学公式チェック's 1. 数学公式チェック's advantage is update cadence (every 2 weeks vs every 4 months) and review sentiment (76% vs 50%). On price, ads 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. 中学数学グラフ asks for nothing beyond the download.

数学公式チェック ships an update every 2 weeks, 中学数学グラフ every 4 months. The most recent releases landed on October 26, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 数学公式チェック | 中学数学グラフ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **75.8% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 8 MB | 9 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shinichiro Shiba](https://appshunter.io/developer/876799918) | [Takatoshi Fukino](https://appshunter.io/developer/789538982) |

## 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 |


### 中学数学グラフ

[App page](https://appshunter.io/ios/app/id1502106515)

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

**In-app purchases:** none


## 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 中学数学グラフ free?

中学数学グラフ is free to download, with no in-app purchases.

### Do 数学公式チェック or 中学数学グラフ have ads?

Neither 数学公式チェック nor 中学数学グラフ shows ads.

### Which is updated more often, 数学公式チェック or 中学数学グラフ?

数学公式チェック ships an update every 2 weeks, and 中学数学グラフ every 4 months. Most recently, 数学公式チェック was updated on October 26, 2026 and 中学数学グラフ 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.*