# 산재법OX vs Brainy Cards

The clearest difference is review sentiment: Brainy Cards at 76% against 산재법OX's 50%. Brainy Cards also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 산재법OX sells 2 in-app purchases, starting at $2.99 per month and Brainy Cards sells 7 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

산재법OX ships an update every 2 months, Brainy Cards every 3 weeks. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 산재법OX | Brainy Cards |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **76.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 26 MB | 19 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHAE HYUCK LEE](https://appshunter.io/developer/1658701307) | [BRAINYONE](https://appshunter.io/developer/1716249652) |

## What reviewers say

### 산재법OX

[App page](https://appshunter.io/ios/app/ox/id1658701035)

Learn recent industrial property law exam questions through repetitive OX quizzes. This educational platform offers effective study methods for patent, trademark, and design protection laws. Subscription options unlock full features and content.

**Highlights:** Repetitive OX quiz learning, Covers patent law, Covers trademark law, Covers design protection law, Subscription options available, Free trial periods

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 단원 설정권 | $2.99 | per month |
| 무제한 설정권 | $3.99 | per month |


### Brainy Cards

[App page](https://appshunter.io/ios/app/brainy-cards/id6471918177)

This app uses neuroscience-based algorithms to enhance memory retention and learning efficiency. It helps users identify and focus on difficult material, provides a sense of achievement, and allows for personalized content creation and sharing. Study anytime, anywhere with this comprehensive learning tool.

**Highlights:** Neuroscience-based learning algorithm, AI-powered difficulty detection, Gamified learning with achievement tracking, Create and share custom study sets, Quick search and save functionality, Cross-device synchronization, Access to pre-made card decks

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 1개월권 구매 | $6.99 | per month |
| Pro 6개월권(3일 무료체험) 구매 | $19.99 | per 6 months |
| Pro 6개월권 구매 | $19.99 | per 6 months |
| PRO 12개월권 구매 | $39.99 | per year |
| Pro 12개월권(3일 무료체험) 구매 | $39.99 | per year |
| 연속 학습일 불꽃 부활권 | $0.99 | one-time |
| Brainy Cards 프로회원 구매 | $89.99 | one-time |


## Frequently asked questions

### Is 산재법OX free?

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

### Is Brainy Cards free?

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

### Do 산재법OX or Brainy Cards have ads?

Neither 산재법OX nor Brainy Cards shows ads.

### Which is updated more often, 산재법OX or Brainy Cards?

산재법OX ships an update every 2 months, and Brainy Cards every 3 weeks. Most recently, 산재법OX was updated on October 5, 2026 and Brainy Cards on October 14, 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.*