# 文字は何色？（らくらく脳トレ！シリーズ） vs RoomEight

The clearest difference is ads: 文字は何色？（らくらく脳トレ！シリーズ） at none against RoomEight's shown. 文字は何色？（らくらく脳トレ！シリーズ） also leads on iOS requirement (6.1 vs 26.1). RoomEight's advantage is update cadence (fortnightly vs every 18 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 文字は何色？（らくらく脳トレ！シリーズ） sells 1 one-off in-app purchase and RoomEight sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

文字は何色？（らくらく脳トレ！シリーズ） ships an update every 18 months, RoomEight fortnightly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 文字は何色？（らくらく脳トレ！シリーズ） | RoomEight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Fortnightly** |
| Size | 32 MB | 1.2 GB |
| Requires iOS | **6.1** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [UNI-TY INC.](https://appshunter.io/developer/433109975) | [Kawamata Koichiro](https://appshunter.io/developer/788575817) |

## What reviewers say

### 文字は何色？（らくらく脳トレ！シリーズ）

[App page](https://appshunter.io/ios/app/id913986349)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $2.99 | one-time |


### RoomEight

[App page](https://appshunter.io/ios/app/roomeight/id6757898977)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Stage | $0.99 | one-time |
| Secret Book | $0.99 | one-time |
| Rewind Watch (Gold) | $0.99 | one-time |
| Secret Book x5 | $3.99 | one-time |
| Rewind Watch (Gold) x5 | $3.99 | one-time |
| Remove Ads | $29.99 | one-time |


## Frequently asked questions

### Is 文字は何色？（らくらく脳トレ！シリーズ） free?

文字は何色？（らくらく脳トレ！シリーズ） is free to download, with in-app purchases available.

### Is RoomEight free?

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

### Do 文字は何色？（らくらく脳トレ！シリーズ） or RoomEight have ads?

RoomEight shows ads; 文字は何色？（らくらく脳トレ！シリーズ） does not.

### Which is updated more often, 文字は何色？（らくらく脳トレ！シリーズ） or RoomEight?

文字は何色？（らくらく脳トレ！シリーズ） ships an update every 18 months, and RoomEight fortnightly. Most recently, 文字は何色？（らくらく脳トレ！シリーズ） was updated on November 1, 2026 and RoomEight 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.*