# 레슨 체크 vs CoachNote

The clearest difference is in-app purchases: 레슨 체크 at none against CoachNote's 2. 레슨 체크 also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CoachNote sells 2 in-app purchases, starting at $5.99 per month. 레슨 체크 asks for nothing beyond the download.

레슨 체크 ships an update weekly, CoachNote every 9 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 레슨 체크 | CoachNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 9 days |
| Size | 105 MB | 52 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DaeSeung Yang](https://appshunter.io/developer/1855504992) | [SiU Ahn](https://appshunter.io/developer/1601025745) |

## What reviewers say

### 레슨 체크

[App page](https://appshunter.io/ios/app/id6755680752)

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

**In-app purchases:** none


### CoachNote

[App page](https://appshunter.io/ios/app/coachnote-client-feedback-log/id6788573493)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is 레슨 체크 free?

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

### Is CoachNote free?

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

### Do 레슨 체크 or CoachNote have ads?

Both 레슨 체크 and CoachNote show ads.

### Which is updated more often, 레슨 체크 or CoachNote?

레슨 체크 ships an update weekly, and CoachNote every 9 days. Most recently, 레슨 체크 was updated on October 30, 2026 and CoachNote on October 24, 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.*