# 레슨이지 vs MU

The clearest difference is update cadence: MU at every 3 days against 레슨이지's every 3 months. 레슨이지's advantage is iOS requirement (13.0 vs 15.1). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

레슨이지 ships an update every 3 months, MU every 3 days. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 레슨이지 | MU |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **93.5% of reviews** | 90.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 26 MB | 40 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주)뮤직앤컴퍼니](https://appshunter.io/developer/1603542987) | [Jisoo Kim](https://appshunter.io/developer/6800597796) |

## What reviewers say

### 레슨이지

[App page](https://appshunter.io/ios/app/id1603542985)

**Features:** macOS Compatibility

**In-app purchases:** none


### MU

[App page](https://appshunter.io/ios/app/munote/id6800597794)

This app accurately tracks your actual playing time during music practice, excluding pauses. It analyzes sound on your device without recording, allowing you to log practice sessions, pieces, and notes. It offers gentle reminders and syncs your history across devices when signed in.

**Highlights:** Counts only playing time, Excludes pauses automatically, Analyzes sound on-device, Logs practice sessions and notes, Calendar view of practice history, Gentle daily reminders

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

**In-app purchases:** none


## Frequently asked questions

### Is 레슨이지 free?

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

### Is MU free?

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

### Do 레슨이지 or MU have ads?

Neither 레슨이지 nor MU shows ads.

### Which is updated more often, 레슨이지 or MU?

레슨이지 ships an update every 3 months, and MU every 3 days. Most recently, 레슨이지 was updated on October 24, 2026 and MU on October 15, 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.*