# 즐거운 유아과학 예스사이언스 step2 vs 아이로AR

The clearest difference is iOS requirement: 즐거운 유아과학 예스사이언스 step2 at 9.0 against 아이로AR's 11.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 즐거운 유아과학 예스사이언스 step2 | 아이로AR |
| --- | --- | --- |
| 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 | Monthly |
| Monetization | Free | — |
| Size | 278 MB | 290 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chunjae Education.Inc.](https://appshunter.io/developer/428912179) | [thinkingfriends Co., Ltd.](https://appshunter.io/developer/1450360952) |

## 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


### 아이로AR

[App page](https://appshunter.io/ios/app/ar/id6444847717)

**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 아이로AR free?

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

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

Neither 즐거운 유아과학 예스사이언스 step2 nor 아이로AR shows ads.

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

즐거운 유아과학 예스사이언스 step2 ships an update monthly, and 아이로AR monthly. Most recently, 즐거운 유아과학 예스사이언스 step2 was updated on October 7, 2026 and 아이로AR on October 10, 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.*