# 中学生の英単語チャレンジ　英語基礎から難関高校入試レベルまで vs Think Why

The clearest difference is in-app purchases: 中学生の英単語チャレンジ　英語基礎から難関高校入試レベルまで at none against Think Why's 1. 中学生の英単語チャレンジ　英語基礎から難関高校入試レベルまで also leads on iOS requirement (13.0 vs 17.0). Think Why's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Think Why sells 1 one-off in-app purchase. 中学生の英単語チャレンジ　英語基礎から難関高校入試レベルまで asks for nothing beyond the download.

## The numbers

| Metric | 中学生の英単語チャレンジ　英語基礎から難関高校入試レベルまで | Think Why |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/think-why/id6799816213/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 51 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Suda](https://appshunter.io/developer/953362137) | [放 徐](https://appshunter.io/developer/6793334686) |

## What reviewers say

### 中学生の英単語チャレンジ　英語基礎から難関高校入試レベルまで

[App page](https://appshunter.io/ios/app/id6748364075)

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

**In-app purchases:** none


### Think Why

[App page](https://appshunter.io/ios/app/think-why/id6799816213)

This app teaches elementary students how to understand math word problems by breaking down the reasoning process into manageable steps. It focuses on conceptual understanding rather than just keyword matching. Users can access free content or unlock the full learning path with a one-time purchase.

**Highlights:** Step-by-step reasoning for word problems, Interactive models for visualization, Explanation of intermediate numbers, Answer checking against the story, Transferring reasoning to new contexts, Full learning path unlock

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Learning Path | $19.99 | one-time |


## Frequently asked questions

### Is 中学生の英単語チャレンジ　英語基礎から難関高校入試レベルまで free?

中学生の英単語チャレンジ　英語基礎から難関高校入試レベルまで is free to download, with no in-app purchases.

### Is Think Why free?

Think Why is free to download, with in-app purchases available.

### Do 中学生の英単語チャレンジ　英語基礎から難関高校入試レベルまで or Think Why have ads?

中学生の英単語チャレンジ　英語基礎から難関高校入試レベルまで shows ads; Think Why does not.

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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.*