# Why? 과학 vs 호시탐탐 한국 인물

The clearest difference is in-app purchases: 호시탐탐 한국 인물 at none against Why? 과학's 11. 호시탐탐 한국 인물 also leads on device support (3 vs 1). Why? 과학's advantage is update cadence (monthly vs every 26 months) and iOS requirement (6.0 vs 15.0). On price and ads there is nothing between them.

Both are free to download. Why? 과학 sells 11 one-off in-app purchases. 호시탐탐 한국 인물 asks for nothing beyond the download.

Why? 과학 ships an update monthly, 호시탐탐 한국 인물 every 26 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Why? 과학 | 호시탐탐 한국 인물 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/why/id433116895/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 21.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 26 months |
| Monetization | Free | — |
| Size | 15 MB | 1.8 GB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [(주)예림당](https://appshunter.io/developer/565049166) | [KYOWON CO.,LTD](https://appshunter.io/developer/402661067) |

## What reviewers say

### Why? 과학

[App page](https://appshunter.io/ios/app/why/id433116895)

This app makes complex science topics easy and fun for children through engaging comics and vivid illustrations. It aligns with elementary school science curricula, making it a great study aid. Continuous content updates ensure an ever-growing library of scientific exploration.

**Highlights:** Engaging comic format, Vivid illustrations and real photos, Curriculum-aligned content, Expert-reviewed science information, Continuous content updates, International export success

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Why 우주 | $5.99 | one-time |
| Why 인체 | $5.99 | one-time |
| Why 바다 | $5.99 | one-time |
| Why 곤충 | $5.99 | one-time |
| Why 사춘기와 성 | $5.99 | one-time |
| Why 공룡 | $5.99 | one-time |
| Why 똥 | $5.99 | one-time |
| Why 외계인과 UFO | $5.99 | one-time |
| Why 독있는 동식물 | $5.99 | one-time |
| Why 응급처치 | $5.99 | one-time |
| Why 전기전자 | $5.99 | one-time |


### 호시탐탐 한국 인물

[App page](https://appshunter.io/ios/app/id1196138724)

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

**In-app purchases:** none


## Frequently asked questions

### Is Why? 과학 free?

Why? 과학 is free to download, with in-app purchases available.

### Is 호시탐탐 한국 인물 free?

호시탐탐 한국 인물 is free to download, with no in-app purchases.

### Do Why? 과학 or 호시탐탐 한국 인물 have ads?

Neither Why? 과학 nor 호시탐탐 한국 인물 shows ads.

### Which is updated more often, Why? 과학 or 호시탐탐 한국 인물?

Why? 과학 ships an update monthly, and 호시탐탐 한국 인물 every 26 months. Most recently, Why? 과학 was updated on October 23, 2026 and 호시탐탐 한국 인물 on October 26, 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.*