GTB CHORDS - Guitar Chords
Chord finder, Scales & Theory
Free
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
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Version 1.0.4
- We have made optimizations and bug fixes.
- Fix neck view
- Adjust app logo
The developer, YILI CHO, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
- Contact Info
- User Content
- Search History
- Browsing History
- Usage Data
- Diagnostics
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- User Content
- Search History
- Browsing History
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Contact Info
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- YILI CHO
- Size
- 5.5 MB
- Category
- Music
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © YILI CHO