# MULE 공식 앱 vs 우타북스

The clearest difference is review sentiment: 우타북스 at 71% against MULE 공식 앱's 39%. 우타북스 also leads on iOS requirement (15.0 vs 18.5). MULE 공식 앱's advantage is update cadence (every 3 months vs every 37 months). 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.

MULE 공식 앱 ships an update every 3 months, 우타북스 every 37 months. The most recent releases landed on September 26, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | MULE 공식 앱 | 우타북스 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/mule/id1453003081/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 39.4% of reviews | **71.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 37 months |
| Monetization | Free | — |
| Size | 7 MB | 16 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JUNG SOO SONG](https://appshunter.io/developer/728120994) | [GimGui Co.](https://appshunter.io/developer/1497270629) |

## What reviewers say

### MULE 공식 앱

[App page](https://appshunter.io/ios/app/mule/id1453003081)

Receive real-time notifications for used musical instruments matching your keywords. Access a comprehensive marketplace for instruments, practice rooms, and musician recruitment, all accessible via map-based services.

**Highlights:** Keyword-based used instrument alerts, Email notifications for marketplace listings, Practice room and ensemble room information, Musician recruitment and job postings, Map-based services for local listings, Performance news and user reviews

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

**In-app purchases:** none


### 우타북스

[App page](https://appshunter.io/ios/app/id1497270630)

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

**In-app purchases:** none


## Frequently asked questions

### Is MULE 공식 앱 free?

MULE 공식 앱 is free to download, with no in-app purchases.

### Is 우타북스 free?

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

### Do MULE 공식 앱 or 우타북스 have ads?

Neither MULE 공식 앱 nor 우타북스 shows ads.

### Which is updated more often, MULE 공식 앱 or 우타북스?

MULE 공식 앱 ships an update every 3 months, and 우타북스 every 37 months. Most recently, MULE 공식 앱 was updated on September 26, 2026 and 우타북스 on September 10, 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.*