# 즐거운 유아과학 예스사이언스 step2 vs 소예아이

The clearest difference is update cadence: 소예아이 at every 4 days against 즐거운 유아과학 예스사이언스 step2's monthly. 즐거운 유아과학 예스사이언스 step2's advantage is iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

즐거운 유아과학 예스사이언스 step2 ships an update monthly, 소예아이 every 4 days. The most recent releases landed on October 7, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 즐거운 유아과학 예스사이언스 step2 | 소예아이 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/step2/id1218188139/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | — |
| Size | 278 MB | 220 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chunjae Education.Inc.](https://appshunter.io/developer/428912179) | [Soye Kids Co., Ltd.](https://appshunter.io/developer/1577142919) |

## What reviewers say

### 즐거운 유아과학 예스사이언스 step2

[App page](https://appshunter.io/ios/app/step2/id1218188139)

This app offers multimedia science play for young children, featuring songs and stories in animation. It aims to foster scientific curiosity and creative thinking habits through hands-on science activities recommended by the Ministry of Education's after-school program.

**Highlights:** Multimedia science play, Animated songs and stories, Hands-on science activities, Fosters scientific curiosity, Develops creative thinking, QR code recognition

**In-app purchases:** none


### 소예아이

[App page](https://appshunter.io/ios/app/id6651827661)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 즐거운 유아과학 예스사이언스 step2 free?

즐거운 유아과학 예스사이언스 step2 is free to download, with no in-app purchases.

### Is 소예아이 free?

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

### Do 즐거운 유아과학 예스사이언스 step2 or 소예아이 have ads?

Neither 즐거운 유아과학 예스사이언스 step2 nor 소예아이 shows ads.

### Which is updated more often, 즐거운 유아과학 예스사이언스 step2 or 소예아이?

즐거운 유아과학 예스사이언스 step2 ships an update monthly, and 소예아이 every 4 days. Most recently, 즐거운 유아과학 예스사이언스 step2 was updated on October 7, 2026 and 소예아이 on October 20, 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.*