# 온리원 레슨 vs 엘리하이 키즈 컬러링 북

The clearest difference is in-app purchases: 엘리하이 키즈 컬러링 북 at none against 온리원 레슨's 10. 엘리하이 키즈 컬러링 북 also leads on iOS requirement (16.0 vs 26.0). 온리원 레슨's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 온리원 레슨 sells 10 one-off in-app purchases. 엘리하이 키즈 컬러링 북 asks for nothing beyond the download.

온리원 레슨 ships an update every 10 days, 엘리하이 키즈 컬러링 북 every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | 온리원 레슨 | 엘리하이 키즈 컬러링 북 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 201 MB | 48 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [VISANG EDUCATION INC](https://appshunter.io/developer/992780061) | [MegaStudyEdu](https://appshunter.io/developer/1050903129) |

## What reviewers say

### 온리원 레슨

[App page](https://appshunter.io/ios/app/id6792592251)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 한끝 역사2 윤미 3-2 학습 이용권 (180일) | $79.99 | one-time |
| 한끝 사회1 윤미 1-2 학습 이용권 (180일) | $89.99 | one-time |
| 한끝 역사1 남현민 2-2 학습 이용권 (180일) | $89.99 | one-time |
| 오투 과학 안현정 3-2 학습 이용권 (180일) | $89.99 | one-time |
| 오투 과학 안현정 1-2 학습 이용권 (180일) | $99.99 | one-time |
| 오투 과학 조민서 2-2 학습 이용권 (180일) | $99.99 | one-time |
| 개념+유형 라이트 장계환 1-2 학습 이용권 (180일) | $99.99 | one-time |
| 개념+유형 라이트 이도일 2-2 학습 이용권 (180일) | $99.99 | one-time |
| 한끝 사회2 윤미 3-2 학습 이용권 (180일) | $99.99 | one-time |
| 개념+유형 라이트 장계환 3-2 학습 이용권 (180일) | $99.99 | one-time |


### 엘리하이 키즈 컬러링 북

[App page](https://appshunter.io/ios/app/id6804906743)

This coloring book app is designed for young children to develop creativity and concentration. It offers a variety of themed and educational drawings, interactive coloring tools, and a safe, intuitive interface for independent play.

**Highlights:** Themed and educational drawings, Interactive coloring tools, Moving and customizable drawings, Save and share artwork, Child-friendly interface, Ad-free experience

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

**In-app purchases:** none


## Frequently asked questions

### Is 온리원 레슨 free?

온리원 레슨 is free to download, with in-app purchases available.

### Is 엘리하이 키즈 컬러링 북 free?

엘리하이 키즈 컬러링 북 is free to download, with no in-app purchases.

### Do 온리원 레슨 or 엘리하이 키즈 컬러링 북 have ads?

Neither 온리원 레슨 nor 엘리하이 키즈 컬러링 북 shows ads.

### Which is updated more often, 온리원 레슨 or 엘리하이 키즈 컬러링 북?

온리원 레슨 ships an update every 10 days, and 엘리하이 키즈 컬러링 북 every 3 weeks. Most recently, 온리원 레슨 was updated on October 31, 2026 and 엘리하이 키즈 컬러링 북 on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*