# 즐거운 유아과학 예스사이언스 step3 vs 오르다

The clearest difference is update cadence: 즐거운 유아과학 예스사이언스 step3 at monthly against 오르다's every 7 months. 즐거운 유아과학 예스사이언스 step3 also leads on iOS requirement (9.0 vs 13.4). 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 step3 ships an update monthly, 오르다 every 7 months. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 즐거운 유아과학 예스사이언스 step3 | 오르다 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 14.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Size | 257 MB | 25 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chunjae Education.Inc.](https://appshunter.io/developer/428912179) | [Orda Korea Co., Ltd.](https://appshunter.io/developer/859069345) |

## What reviewers say

### 즐거운 유아과학 예스사이언스 step3

[App page](https://appshunter.io/ios/app/step3/id1218188427)

**In-app purchases:** none


### 오르다

[App page](https://appshunter.io/ios/app/id1579842853)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 즐거운 유아과학 예스사이언스 step3 free?

즐거운 유아과학 예스사이언스 step3 is free to download, with no in-app purchases.

### Is 오르다 free?

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

### Do 즐거운 유아과학 예스사이언스 step3 or 오르다 have ads?

Neither 즐거운 유아과학 예스사이언스 step3 nor 오르다 shows ads.

### Which is updated more often, 즐거운 유아과학 예스사이언스 step3 or 오르다?

즐거운 유아과학 예스사이언스 step3 ships an update monthly, and 오르다 every 7 months. Most recently, 즐거운 유아과학 예스사이언스 step3 was updated on October 9, 2026 and 오르다 on October 13, 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.*