# Professional Marimba vs Simple Trombone

The clearest difference is update cadence: Simple Trombone at every 4 weeks against Professional Marimba's every 3 months. Simple Trombone also leads on rating (4.8 vs 4.5) and iOS requirement (13.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Professional Marimba sells 1 one-off in-app purchase and Simple Trombone sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Simple Trombone holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 15 and 13 respectively.

Professional Marimba ships an update every 3 months, Simple Trombone every 4 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Professional Marimba | Simple Trombone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (15 ratings)](https://appshunter.io/ios/app/professional-marimba/id6683289417/reviews) | **[4.8 (13 ratings)](https://appshunter.io/ios/app/simple-trombone/id6756773451/reviews)** |
| Number of ratings | **15** | 13 |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 129 MB | 129 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alper Kahriman](https://appshunter.io/developer/1054578352) | [Mustafa Demir](https://appshunter.io/developer/1204716531) |

## What reviewers say

### Professional Marimba

[App page](https://appshunter.io/ios/app/professional-marimba/id6683289417)

Experience the joy of playing the marimba with authentic sounds and recording capabilities. Create, customize, and share your musical compositions with a user-friendly interface suitable for all skill levels.

**Highlights:** Authentic marimba sounds, Playback and recording, Share musical creations, Customizable sound effects, Microtonal tuning, Dynamic key sensitivity

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium | $7.99 | one-time |


### Simple Trombone

[App page](https://appshunter.io/ios/app/simple-trombone/id6756773451)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium | $4.99 | one-time |


## Frequently asked questions

### Is Professional Marimba free?

Professional Marimba is free to download, with in-app purchases available.

### Is Simple Trombone free?

Simple Trombone is free to download, with in-app purchases available.

### Which has better reviews, Professional Marimba or Simple Trombone?

Simple Trombone is rated higher. Professional Marimba averages 4.5 out of 5 from 15 ratings, while Simple Trombone averages 4.8 from 13 ratings.

### Do Professional Marimba or Simple Trombone have ads?

Both Professional Marimba and Simple Trombone show ads.

### Which is updated more often, Professional Marimba or Simple Trombone?

Professional Marimba ships an update every 3 months, and Simple Trombone every 4 weeks. Most recently, Professional Marimba was updated on October 25, 2026 and Simple Trombone on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*