# 慣用色名 ２級 vs 色彩検定 1級・2級・3級・UC級

The clearest difference is price: 色彩検定 1級・2級・3級・UC級 at Free against 慣用色名 ２級's $1.99. 色彩検定 1級・2級・3級・UC級 also leads on update cadence (every 2 days vs every 3 weeks). 慣用色名 ２級's advantage is in-app purchases (none vs 6) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

色彩検定 1級・2級・3級・UC級 is free to download; 慣用色名 ２級 costs $1.99 up front. 色彩検定 1級・2級・3級・UC級 sells 6 in-app purchases, starting at $5.99 per 7 days. 慣用色名 ２級 asks for nothing beyond the download.

慣用色名 ２級 ships an update every 3 weeks, 色彩検定 1級・2級・3級・UC級 every 2 days. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 慣用色名 ２級 | 色彩検定 1級・2級・3級・UC級 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Paid | — |
| Size | 1 MB | 27 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Akihiro Sekine](https://appshunter.io/developer/1810496539) | [Signet LLC](https://appshunter.io/developer/1880910401) |

## What reviewers say

### 慣用色名 ２級

[App page](https://appshunter.io/ios/app/id6746458592)

This app helps users memorize common color names for the Color Aptitude Test (検定) Level 2. It offers training modes where you can answer color names from given colors or identify colors from names, with customizable difficulty and order. It also provides lists of common color names and PCCS color systems.

**Highlights:** Memorize common color names, Color recognition training, Customizable difficulty, Customizable question order, Common color name list, PCCS color list

**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 慣用色名 ２級 free?

慣用色名 ２級 costs $1.99, 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 慣用色名 ２級 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; 慣用色名 ２級 does not.

### Which is updated more often, 慣用色名 ２級 or 色彩検定 1級・2級・3級・UC級?

慣用色名 ２級 ships an update every 3 weeks, and 色彩検定 1級・2級・3級・UC級 every 2 days. Most recently, 慣用色名 ２級 was updated on October 17, 2026 and 色彩検定 1級・2級・3級・UC級 on October 25, 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.*