# がいすう　算数計算「がいすうくん」 vs 中学社会 Be Study

The clearest difference is in-app purchases: がいすう　算数計算「がいすうくん」 at none against 中学社会 Be Study's 3. がいすう　算数計算「がいすうくん」 also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). 中学社会 Be Study's advantage is update cadence (fortnightly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. 中学社会 Be Study sells 3 in-app purchases, starting at $1.99 per month. がいすう　算数計算「がいすうくん」 asks for nothing beyond the download.

がいすう　算数計算「がいすうくん」 ships an update every 2 months, 中学社会 Be Study fortnightly. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | がいすう　算数計算「がいすうくん」 | 中学社会 Be Study |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 92 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHINGO SATO](https://appshunter.io/developer/1484951923) | [Tomohito Kii](https://appshunter.io/developer/1689523321) |

## What reviewers say

### がいすう　算数計算「がいすうくん」

[App page](https://appshunter.io/ios/app/id1494650452)

**Features:** macOS Compatibility

**In-app purchases:** none


### 中学社会 Be Study

[App page](https://appshunter.io/ios/app/be-study/id6730126937)

Master history, geography, and civics with this app that focuses on your weak areas. It offers over 3,100 multiple-choice questions covering junior high to high school material, with explanations to help you learn. Turn studying into a 5-minute daily habit.

**Highlights:** Adaptive learning for weak subjects, 3,100+ quiz questions, Covers history, geography, civics, Explanations for incorrect answers, 5-minute study habit, Progress tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - JH Society Be | $1.99 | per month |
| Annual - JH Society Be | $14.99 | per year |
| Premium (Lifetime) | $29.99 | one-time |


## Frequently asked questions

### Is がいすう　算数計算「がいすうくん」 free?

がいすう　算数計算「がいすうくん」 is free to download, with no in-app purchases.

### Is 中学社会 Be Study free?

中学社会 Be Study is free to download, with in-app purchases available.

### Do がいすう　算数計算「がいすうくん」 or 中学社会 Be Study have ads?

中学社会 Be Study shows ads; がいすう　算数計算「がいすうくん」 does not.

### Which is updated more often, がいすう　算数計算「がいすうくん」 or 中学社会 Be Study?

がいすう　算数計算「がいすうくん」 ships an update every 2 months, and 中学社会 Be Study fortnightly. Most recently, がいすう　算数計算「がいすうくん」 was updated on October 25, 2026 and 中学社会 Be Study on October 30, 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.*