# 毎日脳トレ！NUMBER vs 3文字限定・対戦クロスワード

The clearest difference is review sentiment: 3文字限定・対戦クロスワード at 100% against 毎日脳トレ！NUMBER's 0%. 3文字限定・対戦クロスワード also leads on update cadence (every 2 weeks vs every 2 months) and monetization model (free vs ad-supported). 毎日脳トレ！NUMBER's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

毎日脳トレ！NUMBER ships an update every 2 months, 3文字限定・対戦クロスワード every 2 weeks. Both last shipped on October 16, 2026.

## The numbers

| Metric | 毎日脳トレ！NUMBER | 3文字限定・対戦クロスワード |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 96 MB | 164 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ZERONE](https://appshunter.io/developer/1708775781) | [MASAYOSHI TADA](https://appshunter.io/developer/1474403161) |

## What reviewers say

### 毎日脳トレ！NUMBER

[App page](https://appshunter.io/ios/app/number/id1467748381)

Test your brain age with a simple puzzle game. Find the number closest to the given subject by tapping. The more you play, the more your brain is activated.

**Highlights:** Brain age check, Simple puzzle gameplay, Tap-based interaction, Brain activation, Number matching

**Features:** macOS Compatibility

**In-app purchases:** none


### 3文字限定・対戦クロスワード

[App page](https://appshunter.io/ios/app/3/id6478976252)

A competitive crossword game where victory hinges on using only three-letter words. Strategically place words, outthink opponents, and test your vocabulary and strategic skills in this intellectually stimulating battle.

**Highlights:** Three-letter word limit, Wide vocabulary range, Flexible word placement, Word overlap required, Game over when words run out, Strategic gameplay

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

**In-app purchases:** none


## Frequently asked questions

### Is 毎日脳トレ！NUMBER free?

毎日脳トレ！NUMBER is free to download, with no in-app purchases.

### Is 3文字限定・対戦クロスワード free?

3文字限定・対戦クロスワード is free to download, with no in-app purchases.

### Do 毎日脳トレ！NUMBER or 3文字限定・対戦クロスワード have ads?

Both 毎日脳トレ！NUMBER and 3文字限定・対戦クロスワード show ads.

### Which is updated more often, 毎日脳トレ！NUMBER or 3文字限定・対戦クロスワード?

毎日脳トレ！NUMBER ships an update every 2 months, and 3文字限定・対戦クロスワード every 2 weeks. Most recently, 毎日脳トレ！NUMBER was updated on October 16, 2026 and 3文字限定・対戦クロスワード on October 16, 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.*