# 원터치학원 for piano vs 작쌤 Jakssem

The clearest difference is update cadence: 작쌤 Jakssem at every 2 days against 원터치학원 for piano's every 3 weeks. 원터치학원 for piano's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

원터치학원 for piano ships an update every 3 weeks, 작쌤 Jakssem every 2 days. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 원터치학원 for piano | 작쌤 Jakssem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 62 MB | 60 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Connected8 Corp.](https://appshunter.io/developer/1412738622) | [Jakssem Inc.](https://appshunter.io/developer/6810133256) |

## What reviewers say

### 원터치학원 for piano

[App page](https://appshunter.io/ios/app/for-piano/id6477688527)

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

**In-app purchases:** none


### 작쌤 Jakssem

[App page](https://appshunter.io/ios/app/jakssem/id6810133254)

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

**In-app purchases:** none


## Frequently asked questions

### Is 원터치학원 for piano free?

원터치학원 for piano is free to download, with no in-app purchases.

### Is 작쌤 Jakssem free?

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

### Do 원터치학원 for piano or 작쌤 Jakssem have ads?

Neither 원터치학원 for piano nor 작쌤 Jakssem shows ads.

### Which is updated more often, 원터치학원 for piano or 작쌤 Jakssem?

원터치학원 for piano ships an update every 3 weeks, and 작쌤 Jakssem every 2 days. Most recently, 원터치학원 for piano was updated on November 4, 2026 and 작쌤 Jakssem on November 6, 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.*