# 자연과학OX vs 깨움도사

The clearest difference is update cadence: 깨움도사 at fortnightly against 자연과학OX's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 자연과학OX sells 3 in-app purchases, starting at $2.99 per month and 깨움도사 sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

자연과학OX ships an update every 4 months, 깨움도사 fortnightly. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 자연과학OX | 깨움도사 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Freemium | — |
| Size | 26 MB | 54 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHAE HYUCK LEE](https://appshunter.io/developer/1658701307) | [SEUNGDO LEE](https://appshunter.io/developer/1880322963) |

## What reviewers say

### 자연과학OX

[App page](https://appshunter.io/ios/app/ox/id6479007396)

This app offers practice quizzes for recent natural science topics, covering physics, chemistry, biology, and earth science. It provides subscription options for enhanced learning features and detailed explanations.

**Highlights:** Physics quizzes, Chemistry quizzes, Biology quizzes, Earth science quizzes, Subscription for explanations, Practice quizzes

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 단원 설정권 | $2.99 | per month |
| 무제한 해설권 | $3.99 | per month |
| 평생 자유 이용권 | $19.99 | one-time |


### 깨움도사

[App page](https://appshunter.io/ios/app/id6797144706)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| 3-Month Subscription | $9.99 | per 3 months |
| Single Resource View | $0.99 | one-time |
| Download PPT(.pptx) | $2.99 | one-time |


## Frequently asked questions

### Is 자연과학OX free?

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

### Is 깨움도사 free?

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

### Do 자연과학OX or 깨움도사 have ads?

Neither 자연과학OX nor 깨움도사 shows ads.

### Which is updated more often, 자연과학OX or 깨움도사?

자연과학OX ships an update every 4 months, and 깨움도사 fortnightly. Most recently, 자연과학OX was updated on October 25, 2026 and 깨움도사 on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*