# 2D Trombone Slide Positions vs Trombone Trainer

The clearest difference is in-app purchases: 2D Trombone Slide Positions at none against Trombone Trainer's 3. 2D Trombone Slide Positions also leads on ratings volume (286 vs 1) and iOS requirement (12.0 vs 18.0). Trombone Trainer's advantage is ads (none vs shown) and update cadence (every 5 days vs every 32 months). On price and device support there is nothing between them.

Both are free to download. Trombone Trainer sells 3 in-app purchases, starting at $4.99 per year. 2D Trombone Slide Positions asks for nothing beyond the download.

Trombone Trainer holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: 2D Trombone Slide Positions has 286 ratings behind it against 1, so its average is the more settled of the two.

2D Trombone Slide Positions ships an update every 32 months, Trombone Trainer every 5 days. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 2D Trombone Slide Positions | Trombone Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (286 ratings)](https://appshunter.io/ios/app/2d-trombone-slide-positions/id1451921131/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trombone-trainer/id6788198664/reviews)** |
| Number of ratings | **286** | 1 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 32 months | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 79 MB | 106 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DENYS BELIAEV](https://appshunter.io/developer/1392370303) | [Edmund Trujillo](https://appshunter.io/developer/1862926811) |

## What reviewers say

### 2D Trombone Slide Positions

[App page](https://appshunter.io/ios/app/2d-trombone-slide-positions/id1451921131)

Learn trombone with visual finger position diagrams and audio demonstrations. Explore tenor trombone lessons and hear the sound of each musical note. Perfect for beginners and those looking to improve their technique.

**Highlights:** 2D finger position diagrams, Audio playback for each note, Live trombonist demonstrations, Tenor trombone lessons, Musical note sounds

**Features:** macOS Compatibility

**In-app purchases:** none


### Trombone Trainer

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

This app helps brass players improve their trombone slide technique through interactive exercises and real-time scoring. It offers a slide position chart, ear transcription, and built-in practice libraries. Track your progress with detailed statistics and unlockable badges.

**Highlights:** Interactive slide position chart, Real-time scoring and clean-run detector, Transcribe music by ear onto staff, Bass-clef staff notation, Play-along loops with chords, Progress tracking and unlockable badges, Multiple note name display options

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard — Yearly | $4.99 | per year |
| Standard — All Songs | $9.99 | one-time |
| Pro — Author & Export | $19.99 | one-time |


## Frequently asked questions

### Is 2D Trombone Slide Positions free?

2D Trombone Slide Positions is free to download, with no in-app purchases.

### Is Trombone Trainer free?

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

### Which has better reviews, 2D Trombone Slide Positions or Trombone Trainer?

Trombone Trainer is rated higher. 2D Trombone Slide Positions averages 4.6 out of 5 from 286 ratings, while Trombone Trainer averages 5.0 from 1 ratings.

### Do 2D Trombone Slide Positions or Trombone Trainer have ads?

2D Trombone Slide Positions shows ads; Trombone Trainer does not.

### Which is updated more often, 2D Trombone Slide Positions or Trombone Trainer?

2D Trombone Slide Positions ships an update every 32 months, and Trombone Trainer every 5 days. Most recently, 2D Trombone Slide Positions was updated on November 2, 2026 and Trombone Trainer on October 28, 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.*