# 즐거운 유아과학 예스사이언스 step3 vs 세이프 출석기

The clearest difference is update cadence: 세이프 출석기 at weekly against 즐거운 유아과학 예스사이언스 step3's monthly. 즐거운 유아과학 예스사이언스 step3's advantage is iOS requirement (9.0 vs 15.1). 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, 세이프 출석기 weekly. The most recent releases landed on October 9, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 즐거운 유아과학 예스사이언스 step3 | 세이프 출석기 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 257 MB | 45 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chunjae Education.Inc.](https://appshunter.io/developer/428912179) | [ALLBAREUN.CO.,LTD](https://appshunter.io/developer/1810646813) |

## What reviewers say

### 즐거운 유아과학 예스사이언스 step3

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

**In-app purchases:** none


### 세이프 출석기

[App page](https://appshunter.io/ios/app/id6757513624)

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

**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 세이프 출석기 free?

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

### Do 즐거운 유아과학 예스사이언스 step3 or 세이프 출석기 have ads?

Neither 즐거운 유아과학 예스사이언스 step3 nor 세이프 출석기 shows ads.

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

즐거운 유아과학 예스사이언스 step3 ships an update monthly, and 세이프 출석기 weekly. Most recently, 즐거운 유아과학 예스사이언스 step3 was updated on October 9, 2026 and 세이프 출석기 on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*