# 中学数学 正負の数 vs 中学数学 Be Study

The clearest difference is in-app purchases: 中学数学 正負の数 at none against 中学数学 Be Study's 3. 中学数学 正負の数 also leads on iOS requirement (12.0 vs 14.0). 中学数学 Be Study's advantage is update cadence (fortnightly vs every 13 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. 中学数学 Be Study sells 3 in-app purchases, starting at $1.99 per month. 中学数学 正負の数 asks for nothing beyond the download.

中学数学 正負の数 ships an update every 13 months, 中学数学 Be Study fortnightly. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 中学数学 正負の数 | 中学数学 Be Study |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 13 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 14 MB | 112 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Manabu Narawa](https://appshunter.io/developer/1027712863) | [Tomohito Kii](https://appshunter.io/developer/1689523321) |

## What reviewers say

### 中学数学 正負の数

[App page](https://appshunter.io/ios/app/id1358566610)

Practice over 1000 math problems focused on positive and negative numbers, the first unit taught in junior high. This app offers input-based answers, not multiple choice, to build calculation accuracy and speed. It's suitable for daily study, review, and high school entrance exam preparation.

**Highlights:** 1000+ practice problems, Input-based answers, Fraction and decimal support, Multiple difficulty levels, Covers all operations and powers, Suitable for review and exam prep

**Features:** macOS Compatibility

**In-app purchases:** none


### 中学数学 Be Study

[App page](https://appshunter.io/ios/app/be-study/id6535654198)

This app helps students master junior high school math concepts. It offers practice in calculation, geometry, and functions, serving as a comprehensive drill and test preparation tool.

**Highlights:** Junior high school mathematics coverage, Calculation practice, Geometry lessons, Functions learning, Drill and test preparation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - JH Math Be Study | $1.99 | per month |
| Annual - JH Math Be Study | $14.99 | per year |
| Premium (Lifetime) | $24.99 | one-time |


## Frequently asked questions

### Is 中学数学 正負の数 free?

中学数学 正負の数 is free to download, with no in-app purchases.

### Is 中学数学 Be Study free?

中学数学 Be Study is free to download, with in-app purchases available.

### Do 中学数学 正負の数 or 中学数学 Be Study have ads?

Both 中学数学 正負の数 and 中学数学 Be Study show ads.

### Which is updated more often, 中学数学 正負の数 or 中学数学 Be Study?

中学数学 正負の数 ships an update every 13 months, and 中学数学 Be Study fortnightly. Most recently, 中学数学 正負の数 was updated on October 17, 2026 and 中学数学 Be Study on October 3, 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.*
