# GTB Guitar Chords — Scales, Modes & Metronome

> Scales, Modes & Metronome (iPhone/iPad app by YILI CHO.)

- Source: https://appshunter.io/ios/app/gtb-guitar-chords/id6764719857 (this page in markdown: same URL + `.md`)
- Developer: [YILI CHO](https://appshunter.io/developer/1659817879)
- Category: Music, Education
- Price: Free
- Age rating: 4+
- Requires: iOS 26.0 · 5 MB
- Languages: American English
- Released: 2026-04-30
- Data updated: 2026-08-13
- User reviews in markdown: https://appshunter.io/ios/app/gtb-guitar-chords/id6764719857/reviews.md

## What is GTB Guitar Chords?

Full guitar scale, interval, circle of fifths, Diatonic Chords, Neck Notes, and Metronome functions are available.

GTB Chords is the modern guitar reference app for guitarists who want to learn faster, play smarter, and understand the music they love.

Whether you're a beginner picking up your first chords or an intermediate player exploring jazz voicings, GTB Chords gives you a clean, distraction-free way to look things up — fast.


WHAT'S INSIDE

▸ Chord Library
Browse 45 chord qualities — from basic major and minor to seventh, ninth, eleventh, and thirteenth extensions. See up to 8 different voicing for every chord, from open position to the upper frets. Toggle between fingering numbers and note names to learn what you're playing.

▸ Scale Reference
Explore 6 essential scales — Major, Natural Minor, Major Pentatonic, Minor Pentatonic, Blues, and Harmonic Minor. See the formula, intervals, and notes in any key.

▸ Modes
Master all seven modes of the major scale — Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, and Locrian. Understand the parent key, formula, and the unique character of each mode.

▸ Circle of 5ths
An interactive circle of fifths with major keys, relative minors, and key signatures. Tap any segment to see how keys relate to each other.

▸ Diatonic Chords
Pick a key, choose major or minor, and instantly see the seven chords that belong to that scale — perfect for songwriting and understanding chord progressions.

▸ Fretboard Explorer
Tap any note on a 15-fret guitar neck to highlight every position of that note across all six strings. The fastest way to learn the fretboard.

▸ Metronome
A simple, accurate metronome with adjustable BPM and time signatures. Practice with rhythm.


WHY GTB CHORDS

- Designed for clarity — no clutter, no upsells, no distractions.
- Works completely offline — no account required, no data collected.
- Native SwiftUI — fast, responsive, beautiful on any iPhone or iPad.
- Built by a guitarist, for guitarists.


PERFECT FOR

- Beginners learning their first chord shapes
- Intermediate players exploring extended harmony
- Songwriters figuring out chord progressions
- Teachers needing a clean reference for lessons
- Anyone who loves the guitar and music theory


GTB Chords is free to download and use, supported by occasional ads.

Questions or feedback? Email: cylcode@icloud.com


## Version history (last 5 releases)

### 1.0.6 — 2026-08-11

• Fix bug
• Added a helpful tip to the Circle of Fifths screen
• Tap any key on the circle to view its chord degrees
• Improved interface clarity and accessibility

### 1.0.5 — 2026-08-10

What’s New in Version 1.0.5

• Improved chord, scale, and mode note accuracy.
• Refined chord position and interval labels.
• Improved metronome stability and playback.
• Enhanced accessibility and interface details.
• Added clearer privacy controls and general stability improvements.

### 1.0.4 — 2026-05-22

Version 1.0.4

- We have made optimizations and bug fixes.
- Fix neck view
- Adjust app logo

### 1.0.3 — 2026-05-21

Version 1.0.3

- We have made optimizations and chord bug fixes

### 1.0.2 — 2026-05-07

Version 1.0.2

- We have made optimizations and bug fixes.

## More apps by YILI CHO

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All apps by YILI CHO: https://appshunter.io/developer/1659817879

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*