# 単語クラッシュ vs Concept Merge

The clearest difference is in-app purchases: Concept Merge at none against 単語クラッシュ's 4. 単語クラッシュ's advantage is iOS requirement (12.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. 単語クラッシュ sells 4 one-off in-app purchases. Concept Merge asks for nothing beyond the download.

## The numbers

| Metric | 単語クラッシュ | Concept Merge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/iq/id1669254367/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 150 MB | 7 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [庆猛 邓](https://appshunter.io/developer/620435580) | [Naohiro Tateishi](https://appshunter.io/developer/1458140041) |

## What reviewers say

### 単語クラッシュ

[App page](https://appshunter.io/ios/app/iq/id1669254367)

A classic word puzzle game designed for relaxation and brain training. It features hundreds of levels with increasing difficulty, offering a fun way to learn Japanese vocabulary and improve memory and reaction skills. Unlock new themes and compete globally.

**Highlights:** 300 carefully crafted levels, Increasing difficulty from easy to hard, Learn Japanese vocabulary, Global leaderboards, Unlockable background themes, Automatic game progress saving

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000コインを購入 | $0.49 | one-time |
| 2400コインを購入 | $0.99 | one-time |
| 広告を削除 | $1.99 | one-time |
| 6240コインを購入 | $1.99 | one-time |


### Concept Merge

[App page](https://appshunter.io/ios/app/concept-merge/id6761073582)

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

**In-app purchases:** none


## Frequently asked questions

### Is 単語クラッシュ free?

単語クラッシュ is free to download, with in-app purchases available.

### Is Concept Merge free?

Concept Merge is free to download, with no in-app purchases.

### Do 単語クラッシュ or Concept Merge have ads?

Both 単語クラッシュ and Concept Merge show ads.

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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.*