# Harmonica Real Pro vs MikuMikuWorld

The clearest difference is ads: MikuMikuWorld at none against Harmonica Real Pro's shown. MikuMikuWorld also leads on review sentiment (100% vs 78%) and monetization model (free vs ad-supported). Harmonica Real Pro's advantage is ratings volume (4.6K vs 4). On price, rating, update cadence 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.

On the App Store both sit at effectively the same score — 4.8 for Harmonica Real Pro against 4.8 for MikuMikuWorld. That said, the two scores are not equally well evidenced: Harmonica Real Pro has 4.6K ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 78% of Harmonica Real Pro's written reviews are positive against 100% of MikuMikuWorld's.

Harmonica Real Pro ships an update every 5 weeks, MikuMikuWorld monthly. The most recent releases landed on September 26, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Harmonica Real Pro | MikuMikuWorld |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4.6K ratings)](https://appshunter.io/ios/app/harmonica-real-pro/id6740478968/reviews) | [4.8 (4 ratings)](https://appshunter.io/ios/app/mikumikuworld/id6760967876/reviews) |
| Number of ratings | **4.6K** | 4 |
| Positive reviews | 78.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Ad-supported | **Free** |
| Size | 100 MB | 78 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Son Truong Ngoc](https://appshunter.io/developer/1447240720) | [Chengdu Aixili Trading Co., Ltd.](https://appshunter.io/developer/1485107791) |

## What reviewers say

### Harmonica Real Pro

[App page](https://appshunter.io/ios/app/harmonica-real-pro/id6740478968)

This app simulates a diatonic harmonica, offering various practice modes and features. Learn and play songs with adjustable speed and pitch, and record your performances.

**Highlights:** Diatonic harmonica simulation, Offline and online song library, Adjustable playback speed, Transpose and reverb effects, Normal and RealTime play modes, Autoplay option, Recording and sharing functionality

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

**In-app purchases:** none


### MikuMikuWorld

[App page](https://appshunter.io/ios/app/mikumikuworld/id6760967876)

This app is a powerful and intuitive chart editor for rhythm game creators. It allows users to create, edit, and preview music charts with a modern visual interface, supporting various note types and timing management.

**Highlights:** Visual timeline-based chart editing, Support for various note types, Real-time chart preview, BPM and timing management, Preset and project management, Cross-platform support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Harmonica Real Pro free?

Harmonica Real Pro is free to download, with no in-app purchases.

### Is MikuMikuWorld free?

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

### Which has better reviews, Harmonica Real Pro or MikuMikuWorld?

Harmonica Real Pro and MikuMikuWorld are both rated 4.8 out of 5 on the App Store, from 4.6K and 4 ratings respectively.

### Do Harmonica Real Pro or MikuMikuWorld have ads?

Harmonica Real Pro shows ads; MikuMikuWorld does not.

### Which is updated more often, Harmonica Real Pro or MikuMikuWorld?

Harmonica Real Pro ships an update every 5 weeks, and MikuMikuWorld monthly. Most recently, Harmonica Real Pro was updated on September 26, 2026 and MikuMikuWorld on September 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.*