# 河原学園 vs 色彩検定 1級・2級・3級・UC級

The clearest difference is in-app purchases: 河原学園 at none against 色彩検定 1級・2級・3級・UC級's 6. 河原学園 also leads on ads (none vs shown). 色彩検定 1級・2級・3級・UC級's advantage is update cadence (every 2 days vs every 5 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 色彩検定 1級・2級・3級・UC級 sells 6 in-app purchases, starting at $5.99 per 7 days. 河原学園 asks for nothing beyond the download.

河原学園 ships an update every 5 days, 色彩検定 1級・2級・3級・UC級 every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | 河原学園 | 色彩検定 1級・2級・3級・UC級 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | **Every 2 days** |
| Size | 42 MB | 27 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GenAi K.K.](https://appshunter.io/developer/1568976798) | [Signet LLC](https://appshunter.io/developer/1880910401) |

## What reviewers say

### 河原学園

[App page](https://appshunter.io/ios/app/id6763481711)

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

**In-app purchases:** none


### 色彩検定 1級・2級・3級・UC級

[App page](https://appshunter.io/ios/app/123uc/id6779953773)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 週パス（4級ぜんぶ） | $5.99 | per 7 days |
| 3級をぜんぶ解く | $4.99 | one-time |
| 2級をぜんぶ解く | $4.99 | one-time |
| 1級をぜんぶ解く | $4.99 | one-time |
| UC級をぜんぶ解く | $4.99 | one-time |
| 4級ぜんぶ解く | $14.99 | one-time |


## Frequently asked questions

### Is 河原学園 free?

河原学園 is free to download, with no in-app purchases.

### Is 色彩検定 1級・2級・3級・UC級 free?

色彩検定 1級・2級・3級・UC級 is free to download, with in-app purchases available.

### Do 河原学園 or 色彩検定 1級・2級・3級・UC級 have ads?

色彩検定 1級・2級・3級・UC級 shows ads; 河原学園 does not.

### Which is updated more often, 河原学園 or 色彩検定 1級・2級・3級・UC級?

河原学園 ships an update every 5 days, and 色彩検定 1級・2級・3級・UC級 every 2 days. Most recently, 河原学園 was updated on October 31, 2026 and 色彩検定 1級・2級・3級・UC級 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.*