# こくごのべんきょう vs Think Why

The clearest difference is ads: Think Why at none against こくごのべんきょう's shown. こくごのべんきょう's advantage is update cadence (weekly vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. こくごのべんきょう sells 1 one-off in-app purchase and Think Why sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

こくごのべんきょう ships an update weekly, Think Why fortnightly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | こくごのべんきょう | 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 | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 62 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kinicy](https://appshunter.io/developer/366096366) | [放 徐](https://appshunter.io/developer/6793334686) |

## What reviewers say

### こくごのべんきょう

[App page](https://appshunter.io/ios/app/id6785780159)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro（すべての もんだい） | $2.99 | one-time |


### 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 こくごのべんきょう free?

こくごのべんきょう is free to download, with in-app purchases available.

### Is Think Why free?

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

### Do こくごのべんきょう or Think Why have ads?

こくごのべんきょう shows ads; Think Why does not.

### Which is updated more often, こくごのべんきょう or Think Why?

こくごのべんきょう ships an update weekly, and Think Why fortnightly. Most recently, こくごのべんきょう was updated on October 28, 2026 and Think Why on October 31, 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.*