# 독서당 스터디카페 vs 산재법OX

The clearest difference is in-app purchases: 독서당 스터디카페 at none against 산재법OX's 2. 독서당 스터디카페 also leads on iOS requirement (12.0 vs 15.0). 산재법OX's advantage is update cadence (every 2 months vs every 6 months). On price, ads and device support there is nothing between them.

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

독서당 스터디카페 ships an update every 6 months, 산재법OX every 2 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 독서당 스터디카페 | 산재법OX |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 26 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cobosys Inc.](https://appshunter.io/developer/1480524814) | [CHAE HYUCK LEE](https://appshunter.io/developer/1658701307) |

## What reviewers say

### 독서당 스터디카페

[App page](https://appshunter.io/ios/app/id1551082468)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 독서당 스터디카페 free?

독서당 스터디카페 is free to download, with no in-app purchases.

### Is 산재법OX free?

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

### Do 독서당 스터디카페 or 산재법OX have ads?

Neither 독서당 스터디카페 nor 산재법OX shows ads.

### Which is updated more often, 독서당 스터디카페 or 산재법OX?

독서당 스터디카페 ships an update every 6 months, and 산재법OX every 2 months. Most recently, 독서당 스터디카페 was updated on October 8, 2026 and 산재법OX on October 5, 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.*