# Trombone Trainer vs TrillED

The clearest difference is in-app purchases: TrillED at none against Trombone Trainer's 3. TrillED also leads on iOS requirement (15.5 vs 18.0). Trombone Trainer's advantage is update cadence (every 5 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Trombone Trainer sells 3 in-app purchases, starting at $9.99 per year. TrillED asks for nothing beyond the download.

Trombone Trainer ships an update every 5 days, TrillED fortnightly. The most recent releases landed on November 12, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Trombone Trainer | TrillED |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trombone-trainer/id6788198664/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Freemium | — |
| Size | 109 MB | 80 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Edmund Trujillo](https://appshunter.io/developer/1862926811) | [Sokharoth Sikhen](https://appshunter.io/developer/1765656909) |

## What reviewers say

### Trombone Trainer

[App page](https://appshunter.io/ios/app/trombone-trainer/id6788198664)

This app helps brass players improve their trombone slide technique and sight-reading skills. It offers interactive exercises, real-time scoring, and a unique arm slide feature to simulate playing a real instrument. Practice scales, etudes, and various musical styles with play-along tracks.

**Highlights:** Interactive slide position chart, Real-time scoring and feedback, Arm slide control simulation, Endless sight-reading exercises, 24 musical styles and genres, Progress tracking and stats, Transcribe music by ear

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard — Yearly | $9.99 | per year |
| Standard — All Songs | $19.99 | one-time |
| Pro — Author & Export | $29.99 | one-time |


### TrillED

[App page](https://appshunter.io/ios/app/trilled/id6814741920)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trombone Trainer free?

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

### Is TrillED free?

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

### Do Trombone Trainer or TrillED have ads?

Neither Trombone Trainer nor TrillED shows ads.

### Which is updated more often, Trombone Trainer or TrillED?

Trombone Trainer ships an update every 5 days, and TrillED fortnightly. Most recently, Trombone Trainer was updated on November 12, 2026 and TrillED on November 10, 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.*