# Trombone Slide Position Chart vs ChordChaser

The clearest difference is in-app purchases: ChordChaser at none against Trombone Slide Position Chart's 1. ChordChaser also leads on update cadence (every 8 days vs every 2 weeks). Trombone Slide Position Chart's advantage is iOS requirement (12.4 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Trombone Slide Position Chart sells 1 one-off in-app purchase. ChordChaser asks for nothing beyond the download.

Trombone Slide Position Chart ships an update every 2 weeks, ChordChaser every 8 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Trombone Slide Position Chart | ChordChaser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (69 ratings)](https://appshunter.io/ios/app/trombone-slide-position-chart/id6472855302/reviews)** | — |
| Number of ratings | **69** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 79 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Andriy Holovchak](https://appshunter.io/developer/1650845198) | [Anders Larson](https://appshunter.io/developer/1255819900) |

## What reviewers say

### Trombone Slide Position Chart

[App page](https://appshunter.io/ios/app/trombone-slide-position-chart/id6472855302)

Master trombone slide positions with this interactive guide. Features include a metronome, tuner, quiz, and virtual instrument to help musicians of all levels improve their playing.

**Highlights:** Interactive slide position chart, Metronome, Tuner, Slide position quiz, Note frequency information, Virtual trombone

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $12.99 | one-time |


### ChordChaser

[App page](https://appshunter.io/ios/app/chordchaser/id6755979309)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trombone Slide Position Chart free?

Trombone Slide Position Chart is free to download, with in-app purchases available.

### Is ChordChaser free?

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

### Do Trombone Slide Position Chart or ChordChaser have ads?

Both Trombone Slide Position Chart and ChordChaser show ads.

### Which is updated more often, Trombone Slide Position Chart or ChordChaser?

Trombone Slide Position Chart ships an update every 2 weeks, and ChordChaser every 8 days. Most recently, Trombone Slide Position Chart was updated on October 24, 2026 and ChordChaser on October 8, 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.*