# 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 数学口算练习

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 数学口算练习's $0.99. 数学口算练习's advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 13.0). On review sentiment, update cadence, ads and monetization model 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; 数学口算练习 costs $0.99 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. 数学口算练习 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, 数学口算练习 every 12 months. The most recent releases landed on September 9, 2026 and September 23, 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 | 数学口算练习 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[4.5 (34 ratings)](https://appshunter.io/ios/app/id1665809560/reviews)** |
| Number of ratings | — | **34** |
| Positive reviews | **93.3% of reviews** | 90.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 51 MB | 37 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GINOAPPS LLC.](https://appshunter.io/developer/1482621114) | [森 袁](https://appshunter.io/developer/513885536) |

## 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 |


### 数学口算练习

[App page](https://appshunter.io/ios/app/id1665809560)

This app offers a fun way for elementary school students to practice mental math and vertical calculations. It includes features like a practice log and a mistake notebook to help children improve their math skills through engaging activities.

**Highlights:** Mental math practice, Vertical calculation practice, Mistake notebook, Practice records, Math skill improvement, Early math education

**Features:** macOS Compatibility

**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 数学口算练习 free?

数学口算练习 costs $0.99, 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 数学口算练习 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 数学口算练习 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 数学口算练习?

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 数学口算练习 every 12 months. 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 9, 2026 and 数学口算练习 on September 23, 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.*