# Simple Trombone vs ScoreLibrary

The clearest difference is ads: ScoreLibrary at none against Simple Trombone's shown. Simple Trombone's advantage is update cadence (every 4 weeks vs every 2 months) and iOS requirement (13.0 vs 18.4). On price, in-app purchases and device support there is nothing between them.

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

Simple Trombone ships an update every 4 weeks, ScoreLibrary every 2 months. The most recent releases landed on August 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Simple Trombone | ScoreLibrary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Size | 129 MB | 20 MB |
| Requires iOS | **13.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mustafa Demir](https://appshunter.io/developer/1204716531) | [Daisaku Seto](https://appshunter.io/developer/1889853807) |

## What reviewers say

### 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 |


### ScoreLibrary

[App page](https://appshunter.io/ios/app/scorelibrary/id6761536209)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScoreLibrary Pro | $3.99 | one-time |


## Frequently asked questions

### Is Simple Trombone free?

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

### Is ScoreLibrary free?

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

### Do Simple Trombone or ScoreLibrary have ads?

Simple Trombone shows ads; ScoreLibrary does not.

### Which is updated more often, Simple Trombone or ScoreLibrary?

Simple Trombone ships an update every 4 weeks, and ScoreLibrary every 2 months. Most recently, Simple Trombone was updated on August 22, 2026 and ScoreLibrary 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.*