# 똑서 vs 오목(어린이오목)

The clearest difference is in-app purchases: 오목(어린이오목) at none against 똑서's 11. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 똑서 sells 11 in-app purchases, starting at $5.99 per month. 오목(어린이오목) asks for nothing beyond the download.

똑서 ships an update every 3 weeks, 오목(어린이오목) every 2 weeks. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 똑서 | 오목(어린이오목) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/id6738773290/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 84.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 104 MB | 1 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [주식회사 노틸러스](https://appshunter.io/developer/1723483238) | [yeonkyeong lee](https://appshunter.io/developer/1896150800) |

## What reviewers say

### 똑서

[App page](https://appshunter.io/ios/app/id6738773290)

This app aims to make reading enjoyable for children, fostering a smart reading habit. It offers a dedicated space for children's reading education, helping them develop a love for books from an early age.

**Highlights:** Develops smart reading habits, Makes reading enjoyable, Focuses on children's reading education, Starts reading journey from early age

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 월간 멤버십 (1인/혜택) | $5.99 | per month |
| 월간 멤버십 (1인) | $5.99 | per month |
| 월간 멤버십 (1인) | $6.99 | per month |
| 월간 멤버십 (1인) | $6.99 | per month |
| 월간 멤버십 (2인/혜택) | $9.99 | per month |
| 월간 멤버십 (2인) | $9.99 | per month |
| 월간 멤버십 (2인) | $11.99 | per month |
| 월간 멤버십 (3인) | $11.99 | per month |
| 월간 멤버십 (2인) | $11.99 | per month |
| 월간 멤버십 (3인) | $12.99 | per month |
| 월간 멤버십 (3인) | $14.99 | per month |


### 오목(어린이오목)

[App page](https://appshunter.io/ios/app/id6765983003)

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

**In-app purchases:** none


## Frequently asked questions

### Is 똑서 free?

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

### Is 오목(어린이오목) free?

오목(어린이오목) is free to download, with no in-app purchases.

### Do 똑서 or 오목(어린이오목) have ads?

Neither 똑서 nor 오목(어린이오목) shows ads.

### Which is updated more often, 똑서 or 오목(어린이오목)?

똑서 ships an update every 3 weeks, and 오목(어린이오목) every 2 weeks. Most recently, 똑서 was updated on October 16, 2026 and 오목(어린이오목) on October 9, 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.*