# 知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 vs 慣用色名 ２級

The clearest difference is price: 知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 at Free against 慣用色名 ２級's $1.99. 知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 also leads on iOS requirement (13.0 vs 17.0). 慣用色名 ２級's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 6 months). On review sentiment, ads and device support there is nothing between them.

知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 is free to download; 慣用色名 ２級 costs $1.99 up front. 知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 sells 1 one-off in-app purchase. 慣用色名 ２級 asks for nothing beyond the download.

知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 ships an update every 6 months, 慣用色名 ２級 every 3 weeks. The most recent releases landed on September 27, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | 知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 | 慣用色名 ２級 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | 93.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 51 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GINOAPPS LLC.](https://appshunter.io/developer/1482621114) | [Akihiro Sekine](https://appshunter.io/developer/1810496539) |

## What reviewers say

### 知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定

[App page](https://appshunter.io/ios/app/3/id1617549683)

This app helps users prepare for the Intellectual Property Management Skills Test Level 3 (学科試験) by focusing on key points and utilizing the forgetting curve for efficient memorization. It offers a gap-time learning approach with fill-in-the-blank exercises to reinforce knowledge.

**Highlights:** Key point learning based on past exams, Fill-in-the-blank exercises, Forgetting curve based spaced repetition, Efficient gap-time learning, Focus on frequent points

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 問題全アンロック | $1.99 | one-time |


### 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


## Frequently asked questions

### Is 知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 free?

知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 is free to download, with in-app purchases available.

### Is 慣用色名 ２級 free?

慣用色名 ２級 costs $1.99, with no in-app purchases.

### Do 知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 or 慣用色名 ２級 have ads?

Neither 知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 nor 慣用色名 ２級 shows ads.

### Which is updated more often, 知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 or 慣用色名 ２級?

知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 ships an update every 6 months, and 慣用色名 ２級 every 3 weeks. Most recently, 知財検定 3級 秒トレ：忘却曲線で覚える知的財産管理技能検定 was updated on September 27, 2026 and 慣用色名 ２級 on September 1, 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.*