# 산재법OX vs Card.Zip

The clearest difference is in-app purchases: Card.Zip at none against 산재법OX's 2. 산재법OX's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. 산재법OX sells 2 in-app purchases, starting at $2.99 per month. Card.Zip asks for nothing beyond the download.

산재법OX ships an update every 2 months, Card.Zip every 6 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 산재법OX | Card.Zip |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 15 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CHAE HYUCK LEE](https://appshunter.io/developer/1658701307) | [TaeYoon Kim](https://appshunter.io/developer/1711313154) |

## 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 |


### Card.Zip

[App page](https://appshunter.io/ios/app/cardzip/id6469782765)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 산재법OX free?

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

### Is Card.Zip free?

Card.Zip is free to download, with no in-app purchases.

### Do 산재법OX or Card.Zip have ads?

Neither 산재법OX nor Card.Zip shows ads.

### Which is updated more often, 산재법OX or Card.Zip?

산재법OX ships an update every 2 months, and Card.Zip every 6 weeks. Most recently, 산재법OX was updated on October 27, 2026 and Card.Zip 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.*