# 즐거운 유아과학 예스사이언스 step1 vs 출결알림콩

The clearest difference is update cadence: 출결알림콩 at fortnightly against 즐거운 유아과학 예스사이언스 step1's monthly. 즐거운 유아과학 예스사이언스 step1's advantage is iOS requirement (9.0 vs 15.6). 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 step1 ships an update monthly, 출결알림콩 fortnightly. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 즐거운 유아과학 예스사이언스 step1 | 출결알림콩 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 275 MB | 66 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chunjae Education.Inc.](https://appshunter.io/developer/428912179) | [Lineone, Inc](https://appshunter.io/developer/1389730476) |

## What reviewers say

### 즐거운 유아과학 예스사이언스 step1

[App page](https://appshunter.io/ios/app/step1/id1218174913)

**In-app purchases:** none


### 출결알림콩

[App page](https://appshunter.io/ios/app/id6478950142)

This app simplifies attendance management for educators. It allows instant setup without complex verification, sending notifications via familiar platforms like KakaoTalk and SMS. It also offers features to protect personal phone numbers and import student lists easily.

**Highlights:** Instant setup for teachers, Notifications via KakaoTalk and SMS, Import student lists from Excel/Google Sheets, Teacher's personal number protection, Choice between SMS and KakaoTalk alerts, Unlimited student and class registration

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

**In-app purchases:** none


## Frequently asked questions

### Is 즐거운 유아과학 예스사이언스 step1 free?

즐거운 유아과학 예스사이언스 step1 is free to download, with no in-app purchases.

### Is 출결알림콩 free?

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

### Do 즐거운 유아과학 예스사이언스 step1 or 출결알림콩 have ads?

Neither 즐거운 유아과학 예스사이언스 step1 nor 출결알림콩 shows ads.

### Which is updated more often, 즐거운 유아과학 예스사이언스 step1 or 출결알림콩?

즐거운 유아과학 예스사이언스 step1 ships an update monthly, and 출결알림콩 fortnightly. Most recently, 즐거운 유아과학 예스사이언스 step1 was updated on October 7, 2026 and 출결알림콩 on September 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.*