# 즐거운 유아과학 예스사이언스 step1 vs 카리아카

The clearest difference is iOS requirement: 즐거운 유아과학 예스사이언스 step1 at 9.0 against 카리아카's 15.4. 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.

즐거운 유아과학 예스사이언스 step1 ships an update monthly, 카리아카 fortnightly. The most recent releases landed on September 20, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 즐거운 유아과학 예스사이언스 step1 | 카리아카 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 275 MB | 103 MB |
| Requires iOS | **9.0** | 15.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chunjae Education.Inc.](https://appshunter.io/developer/428912179) | [Hyoungho Cha](https://appshunter.io/developer/1709218683) |

## What reviewers say

### 즐거운 유아과학 예스사이언스 step1

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

**In-app purchases:** none


### 카리아카

[App page](https://appshunter.io/ios/app/id6499569079)

**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 카리아카 free?

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

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

Neither 즐거운 유아과학 예스사이언스 step1 nor 카리아카 shows ads.

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

즐거운 유아과학 예스사이언스 step1 ships an update monthly, and 카리아카 fortnightly. Most recently, 즐거운 유아과학 예스사이언스 step1 was updated on September 20, 2026 and 카리아카 on September 30, 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.*