# 補数チャレンジ！ vs あんきずかん｜中学受験 理科・社会・国語・算数・時事

The clearest difference is device support: あんきずかん｜中学受験 理科・社会・国語・算数・時事 at 2 against 補数チャレンジ！'s —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 補数チャレンジ！ | あんきずかん｜中学受験 理科・社会・国語・算数・時事 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 38 MB |
| Requires iOS | 17.2 | **16.4** |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kazuhiko Maruyama](https://appshunter.io/developer/1731223811) | [Atsuko Miyazaki](https://appshunter.io/developer/6811289386) |

## What reviewers say

### 補数チャレンジ！

[App page](https://appshunter.io/ios/app/id6478446057)

**In-app purchases:** none


### あんきずかん｜中学受験 理科・社会・国語・算数・時事

[App page](https://appshunter.io/ios/app/id6811289384)

This app helps middle school students master memorization subjects for entrance exams. It offers over 7,000 questions across science, social studies, language, math, and current events, using unique modes to build connections and ensure complete recall. Collect monsters as you learn and track your progress.

**Highlights:** Comprehensive coverage of memorization subjects, Interactive learning modes for deeper understanding, Monster collection for motivation, Progress tracking and personalized review, Furigana for difficult kanji, Offline functionality

**Features:** Family Sharing

**In-app purchases:** none


## Frequently asked questions

### Is 補数チャレンジ！ free?

補数チャレンジ！ is free to download, with no in-app purchases.

### Is あんきずかん｜中学受験 理科・社会・国語・算数・時事 free?

あんきずかん｜中学受験 理科・社会・国語・算数・時事 is free to download, with no in-app purchases.

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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.*