# Chord Tracker vs EXPANSION EXPLORER

The clearest difference is rating: Chord Tracker at 3.6 against EXPANSION EXPLORER's 3.0. Chord Tracker also leads on ratings volume (170 vs 2) and review sentiment (49% vs 25%). EXPANSION EXPLORER's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chord Tracker holds the better App Store score, 3.6 against 3.0. That said, the two scores are not equally well evidenced: Chord Tracker has 170 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 49% of Chord Tracker's written reviews are positive against 25% of EXPANSION EXPLORER's.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on June 10, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | Chord Tracker | EXPANSION EXPLORER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (170 ratings)](https://appshunter.io/ios/app/chord-tracker-us/id992502589/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/expansion-explorer/id6477550974/reviews) |
| Number of ratings | **170** | 2 |
| Positive reviews | **48.7% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Ad-supported | **Free** |
| Size | 175 MB | 154 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yamaha Corporation of America](https://appshunter.io/developer/408058585) | [Yamaha Corporation](https://appshunter.io/developer/353469356) |

## What reviewers say

### Chord Tracker

[App page](https://appshunter.io/ios/app/chord-tracker-us/id992502589)

This app analyzes audio songs from your device's music library to display chord symbols on screen. It offers graphical piano keyboard and guitar tab views to aid practice and performance. It's designed to help musicians play along with their favorite tunes.

**Highlights:** Audio song analysis, Chord symbol display, Graphical piano keyboard, Guitar tab display, Practice and performance aid

**In-app purchases:** none

**What reviewers like**

- 🎯 Accurate chord recognition for most songs
- 💰 Free app with powerful features
- 🎸 Works well for learning guitar and piano
- ⚙️ Customizable chord display and transposition
- 🎵 Tempo adjustment without pitch change

**What reviewers complain about**

- 🚫 Limited music source compatibility (iTunes/Apple Music only)
- 🐛 Recent update removed real-time microphone chord detection
- 📁 Difficult to import local audio files
- ⚠️ DRM-protected songs don't work
- 🔌 No Bluetooth speaker output support

**Reported bugs**

- App crashes when detecting chord sections
- Audio playback out of sync with score on iPad Pro
- Black screen with only alphabet visible on some devices
- Songs disappear from User Songs after import
- Cannot load songs from local device files

**Requested features**

- Restore real-time microphone chord detection
- Support for Spotify and Google Play Music
- Local file import from device storage
- Bluetooth speaker output support
- Print or export chords as PDF


### EXPANSION EXPLORER

[App page](https://appshunter.io/ios/app/expansion-explorer/id6477550974)

Discover, install, and manage additional content for compatible Yamaha arranger workstations. Explore a library of free Voices, Styles, and Multi Pads, and even get style recommendations based on audio files. Preview content before installing it directly to your instrument.

**Highlights:** Discover and install expansion content, Search and filter by country, tempo, beat, Analyze audio files for style recommendations, Pre-listen to content before installation, Wireless or USB installation, Create favorite content lists, Light and dark mode options

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chord Tracker free?

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

### Is EXPANSION EXPLORER free?

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

### Which has better reviews, Chord Tracker or EXPANSION EXPLORER?

Chord Tracker is rated higher. Chord Tracker averages 3.6 out of 5 from 170 ratings, while EXPANSION EXPLORER averages 3.0 from 2 ratings.

### Do Chord Tracker or EXPANSION EXPLORER have ads?

Chord Tracker shows ads; EXPANSION EXPLORER does not.

### Which is updated more often, Chord Tracker or EXPANSION EXPLORER?

Chord Tracker ships an update every 5 months, and EXPANSION EXPLORER every 5 months. Most recently, Chord Tracker was updated on June 10, 2026 and EXPANSION EXPLORER on September 1, 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.*