# MUSYNX vs Rusty's Pro Tromboner

The clearest difference is price: Rusty's Pro Tromboner at Free against MUSYNX's $0.99. Rusty's Pro Tromboner also leads on in-app purchases (none vs 14) and update cadence (every 6 days vs every 6 weeks). MUSYNX's advantage is rating (4.8 vs 2.0) and ratings volume (413 vs 4). On ads and device support there is nothing between them.

Rusty's Pro Tromboner is free to download; MUSYNX costs $0.99 up front. MUSYNX sells 14 one-off in-app purchases. Rusty's Pro Tromboner asks for nothing beyond the download.

MUSYNX holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: MUSYNX has 413 ratings behind it against 4, so its average is the more settled of the two.

MUSYNX ships an update every 6 weeks, Rusty's Pro Tromboner every 6 days. The most recent releases landed on September 26, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | MUSYNX | Rusty's Pro Tromboner |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.8 (413 ratings)](https://appshunter.io/ios/app/musynx/id935528099/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/rustys-pro-tromboner/id6466125813/reviews) |
| Number of ratings | **413** | 4 |
| Positive reviews | 85.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#22** | — |
| Size | 3.1 GB | 142 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [秋驰 张](https://appshunter.io/developer/935528098) | [MB Technologies LLC](https://appshunter.io/developer/1264481511) |

## What reviewers say

### MUSYNX

[App page](https://appshunter.io/ios/app/musynx/id935528099)

**Currently charting:** #22 Top Paid · Music, #52 Top Paid · Racing, #126 Top Grossing · Music (US App Store)

A rhythm game with over 300 songs and high-quality graphics. It offers a smooth gaming experience for all screen sizes and finger thicknesses, with professional sound processing for an ultimate audio experience. Play along to popular tunes and enjoy a classic note-dropping gameplay.

**Highlights:** 300+ songs included, High-quality retina graphics, Enjoyable gaming experience for all, Professional sound processing, Classic note-dropping gameplay, Regular interface updates

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Music collection sp01 | Free | one-time |
| 奇怪的试题集 | $0.99 | one-time |
| 小酒仙节拍器 | $0.99 | one-time |
| Music Collection 01 | $1.99 | one-time |
| 星尘节拍器 | $1.99 | one-time |
| Music Collection 03 | $2.99 | one-time |
| Music Collection 04 | $2.99 | one-time |
| 和风主题 | $3.99 | one-time |
| HOUSE风格主题包B | $3.99 | one-time |
| Forever friends | $6.99 | one-time |
| Subscription Ticket 1~5 | $8.99 | one-time |
| 宇宙主题（优惠） | $8.99 | one-time |
| 舞台主题（优惠） | $8.99 | one-time |
| 永远的小伙伴（新人优惠） | $9.99 | one-time |

**What reviewers like**

- 🚀 Highly recommended
- 👍 Great music and visuals
- 💎 Addictive gameplay
- 🎨 Cute and charming themes
- 🎮 Excellent rhythm game

**What reviewers complain about**

- 🐛 Black screen issues
- 🔇 No English translation
- 💰 Expensive in-app purchases
- 🔧 Compatibility problems
- 🔍 Difficult to navigate

**Reported bugs**

- Game crashes on launch
- Laggy performance on some devices
- Restore purchases feature not working
- Scrolling issues on certain screens
- Calibration problems with touch input

**Requested features**

- Add English language support
- Implement controller support for mobile
- Provide more free song content
- Improve performance on older devices
- Add sorting/filtering options for songs


### Rusty's Pro Tromboner

[App page](https://appshunter.io/ios/app/rustys-pro-tromboner/id6466125813)

This rhythm game lets you play any song in a specific format, master complex rhythms, and enjoy engaging visuals. It offers multiple difficulty modes and integrates with external devices for a unique interactive experience.

**Highlights:** Import any song in Trombone Champ format, Master intricate rhythms, Engaging visual effects, Integrates with Motorbunny, Easy or Hard mode, Community score sharing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MUSYNX free?

MUSYNX costs $0.99, and also offers in-app purchases.

### Is Rusty's Pro Tromboner free?

Rusty's Pro Tromboner is free to download, with no in-app purchases.

### Which has better reviews, MUSYNX or Rusty's Pro Tromboner?

MUSYNX is rated higher. MUSYNX averages 4.8 out of 5 from 413 ratings, while Rusty's Pro Tromboner averages 2.0 from 4 ratings.

### Do MUSYNX or Rusty's Pro Tromboner have ads?

Neither MUSYNX nor Rusty's Pro Tromboner shows ads.

### Which is updated more often, MUSYNX or Rusty's Pro Tromboner?

MUSYNX ships an update every 6 weeks, and Rusty's Pro Tromboner every 6 days. Most recently, MUSYNX was updated on September 26, 2026 and Rusty's Pro Tromboner on July 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.*