# 2581=? vs 単語クラッシュ

The clearest difference is rating: 単語クラッシュ at 5.0 against 2581=?'s 2.3. 単語クラッシュ also leads on update cadence (every 2 months vs every 9 months). 2581=?'s advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume 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. 2581=? asks for nothing beyond the download.

単語クラッシュ holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 7 and 4 respectively.

2581=? ships an update every 9 months, 単語クラッシュ every 2 months. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 2581=? | 単語クラッシュ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (7 ratings)](https://appshunter.io/ios/app/2581/id517654307/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/iq/id1669254367/reviews)** |
| Number of ratings | **7** | 4 |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 150 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RUCKYGAMES CO., LTD.](https://appshunter.io/developer/315948909) | [庆猛 邓](https://appshunter.io/developer/620435580) |

## What reviewers say

### 2581=?

[App page](https://appshunter.io/ios/app/2581/id517654307)

A simple puzzle game where players select the correct answer by tapping. It challenges users to think differently and rely on intuition rather than logic.

**Highlights:** Intuitive tap-based gameplay, Pattern recognition challenges, Minimalist design, Quick play sessions

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 2581=? free?

2581=? is free to download, with no in-app purchases.

### 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.

### Which has better reviews, 2581=? or 単語クラッシュ?

単語クラッシュ is rated higher. 2581=? averages 2.3 out of 5 from 7 ratings, while 単語クラッシュ averages 5.0 from 4 ratings.

### Do 2581=? or 単語クラッシュ have ads?

単語クラッシュ shows ads; 2581=? does not.

### Which is updated more often, 2581=? or 単語クラッシュ?

2581=? ships an update every 9 months, and 単語クラッシュ every 2 months. Most recently, 2581=? was updated on October 11, 2026 and 単語クラッシュ on October 3, 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.*