# 시원스쿨 플러스 vs ChartDraw

The clearest difference is in-app purchases: ChartDraw at none against 시원스쿨 플러스's 3. ChartDraw also leads on update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 시원스쿨 플러스 sells 3 one-off in-app purchases. ChartDraw asks for nothing beyond the download.

시원스쿨 플러스 ships an update weekly, ChartDraw every 3 days. The most recent releases landed on October 12, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 시원스쿨 플러스 | ChartDraw |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (70 ratings)](https://appshunter.io/ios/app/id1596846159/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 65.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 280 MB | 14 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siwonschool](https://appshunter.io/developer/473647838) | [Lindy Operation Inc.](https://appshunter.io/developer/6793814445) |

## What reviewers say

### 시원스쿨 플러스

[App page](https://appshunter.io/ios/app/id1596846159)

This app enhances mobile learning with optimized lecture playback, background audio, and continuous listening. It also features a timer for study sessions, progress tracking, and group study functionalities to boost focus and efficiency.

**Highlights:** Optimized lecture playback, Background audio playback, Continuous lecture listening, Lecture download and selective playback, Study timer and progress tracking, Study group participation

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 여행 스페인어 | $39.99 | one-time |
| 일잘러들의 한 끗 차이 비즈니스 영어회화_NEW | $109.99 | one-time |
| 에린의 말문법 패키지 NEW | $129.99 | one-time |


### ChartDraw

[App page](https://appshunter.io/ios/app/chartdraw/id6793814443)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 시원스쿨 플러스 free?

시원스쿨 플러스 is free to download, with in-app purchases available.

### Is ChartDraw free?

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

### Do 시원스쿨 플러스 or ChartDraw have ads?

Neither 시원스쿨 플러스 nor ChartDraw shows ads.

### Which is updated more often, 시원스쿨 플러스 or ChartDraw?

시원스쿨 플러스 ships an update weekly, and ChartDraw every 3 days. Most recently, 시원스쿨 플러스 was updated on October 12, 2026 and ChartDraw on September 23, 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.*