# 즐거운 유아과학 예스사이언스 step1 vs 토토핑거랑 Step

The clearest difference is iOS requirement: 즐거운 유아과학 예스사이언스 step1 at 9.0 against 토토핑거랑 Step's 14.7. 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, 토토핑거랑 Step every 5 weeks. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 즐거운 유아과학 예스사이언스 step1 | 토토핑거랑 Step |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 275 MB | 97 MB |
| Requires iOS | **9.0** | 14.7 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chunjae Education.Inc.](https://appshunter.io/developer/428912179) | [ain electronics, inc](https://appshunter.io/developer/1332964433) |

## What reviewers say

### 즐거운 유아과학 예스사이언스 step1

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

**In-app purchases:** none


### 토토핑거랑 Step

[App page](https://appshunter.io/ios/app/step-1-bt/id1455594447)

**Features:** macOS Compatibility

**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 토토핑거랑 Step free?

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

### Do 즐거운 유아과학 예스사이언스 step1 or 토토핑거랑 Step have ads?

Neither 즐거운 유아과학 예스사이언스 step1 nor 토토핑거랑 Step shows ads.

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

즐거운 유아과학 예스사이언스 step1 ships an update monthly, and 토토핑거랑 Step every 5 weeks. Most recently, 즐거운 유아과학 예스사이언스 step1 was updated on October 7, 2026 and 토토핑거랑 Step on October 1, 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.*