# 즐거운 유아과학 예스사이언스 step1 vs 브리프

The clearest difference is update cadence: 브리프 at every 9 days against 즐거운 유아과학 예스사이언스 step1's monthly. 즐거운 유아과학 예스사이언스 step1's advantage is iOS requirement (9.0 vs 15.0). 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 step1 ships an update monthly, 브리프 every 9 days. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 즐거운 유아과학 예스사이언스 step1 | 브리프 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Size | 275 MB | 48 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chunjae Education.Inc.](https://appshunter.io/developer/428912179) | [정현 류](https://appshunter.io/developer/1896684348) |

## What reviewers say

### 즐거운 유아과학 예스사이언스 step1

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

**In-app purchases:** none


### 브리프

[App page](https://appshunter.io/ios/app/id6769750021)

**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 브리프 free?

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

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

Neither 즐거운 유아과학 예스사이언스 step1 nor 브리프 shows ads.

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

즐거운 유아과학 예스사이언스 step1 ships an update monthly, and 브리프 every 9 days. Most recently, 즐거운 유아과학 예스사이언스 step1 was updated on October 7, 2026 and 브리프 on October 16, 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.*