# Rusty's Pro Tromboner vs Gap Dash

The clearest difference is in-app purchases: Rusty's Pro Tromboner at none against Gap Dash's 4. Rusty's Pro Tromboner also leads on update cadence (every 6 days vs monthly) and iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Gap Dash sells 4 one-off in-app purchases. Rusty's Pro Tromboner asks for nothing beyond the download.

Rusty's Pro Tromboner ships an update every 6 days, Gap Dash monthly. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Rusty's Pro Tromboner | Gap Dash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/rustys-pro-tromboner/id6466125813/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Free | — |
| Size | 142 MB | 259 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [MB Technologies LLC](https://appshunter.io/developer/1264481511) | [Lars Sorhus](https://appshunter.io/developer/1777995932) |

## What reviewers say

### 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


### Gap Dash

[App page](https://appshunter.io/ios/app/gap-dash/id6737801042)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Micro Pack | $0.99 | one-time |
| Bumper Pack | $2.95 | one-time |
| Pro Pack | $6.49 | one-time |
| Enduro Pack | $12.95 | one-time |


## Frequently asked questions

### Is Rusty's Pro Tromboner free?

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

### Is Gap Dash free?

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

### Do Rusty's Pro Tromboner or Gap Dash have ads?

Neither Rusty's Pro Tromboner nor Gap Dash shows ads.

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

Rusty's Pro Tromboner ships an update every 6 days, and Gap Dash monthly. Most recently, Rusty's Pro Tromboner was updated on October 6, 2026 and Gap Dash on October 4, 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.*