# 돌잡이 스마트 수학 vs 소중한글 동요

The clearest difference is review sentiment: 소중한글 동요 at 54% against 돌잡이 스마트 수학's 6%. 소중한글 동요 also leads on update cadence (monthly vs every 10 months). 돌잡이 스마트 수학's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 소중한글 동요 sells 1 one-off in-app purchase. 돌잡이 스마트 수학 asks for nothing beyond the download.

돌잡이 스마트 수학 ships an update every 10 months, 소중한글 동요 monthly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 돌잡이 스마트 수학 | 소중한글 동요 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (13 ratings)](https://appshunter.io/ios/app/id6473247195/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | 5.6% of reviews | **53.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 120 MB | 220 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chunjae Education.Inc.](https://appshunter.io/developer/428912179) | [H2k, Inc.](https://appshunter.io/developer/1372681785) |

## What reviewers say

### 돌잡이 스마트 수학

[App page](https://appshunter.io/ios/app/id1561097394)

This app makes learning math concepts fun and engaging through interactive games and activities. It reinforces what children learn from picture books, allowing them to explore and grasp mathematical principles through touch and movement.

**Highlights:** Interactive math games, Reinforces book concepts, Hands-on learning, Engaging activities, Math songs

**In-app purchases:** none


### 소중한글 동요

[App page](https://appshunter.io/ios/app/id6473247195)

Introduce young children to Korean alphabet through engaging songs and games. This app fosters curiosity and interest in letters before formal learning begins, offering a fun and healthy way to absorb the principles of Korean.

**Highlights:** Phonics-based Korean alphabet songs, Cognitive development games, Basic letter sound games, Character-led repetition learning, Interactive sticker activities, Parental guidance and usage settings

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6개월 이용권 | $14.99 | one-time |


## Frequently asked questions

### Is 돌잡이 스마트 수학 free?

돌잡이 스마트 수학 is free to download, with no in-app purchases.

### Is 소중한글 동요 free?

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

### Do 돌잡이 스마트 수학 or 소중한글 동요 have ads?

Neither 돌잡이 스마트 수학 nor 소중한글 동요 shows ads.

### Which is updated more often, 돌잡이 스마트 수학 or 소중한글 동요?

돌잡이 스마트 수학 ships an update every 10 months, and 소중한글 동요 monthly. Most recently, 돌잡이 스마트 수학 was updated on October 20, 2026 and 소중한글 동요 on October 24, 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.*