GuitarBloom

GuitarBloom transforms music theory into an interactive visual and audio experience for guitar. Explore scales, modes, and chords with an intuitive interface that makes complex musical relationships easy to understand because everything is being adjusted in front of your eyes. Turn the circles, swipe the fretboard, hear how each chord sounds. iOS drag gestures and UI elements make the App look timelessly elegant. The Interval Bloom shows output in piano key format while giving you the whole arrangement of intervals. Whenever you explore a chord, it is always in the context of the current Key Signature, Mode and Scale Type.

SCALES & MODES

• Pentatonic, Major, and Harmonic Minor scale types
• All 15 keys with transposition and 3 keys with Sharp/Flat switch
• Major, Suspended, Blues minor, Blues Major, minor Modes for Pentatonic scale type
• Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, Locrian modes for Major scale type
• Augmented Major, Altered Dorian, Phrygian Dominant, Lydian Sharp 2nd, Super Locrian Double Flat 7, Harmonic minor, Locrian Natural 6 modes for Harmonic minor scale type
• Visual color coding that actually represents the quality of each Mode.

COMPREHENSIVE CHORD SYSTEM

• Roman numeral chord analysis
• Complete CAGEeD chord system for guitar
• Major, minor chords with all basic shapes
• Augmented and diminished inversions
• Sus2, Sus4, and extended chords
• all chords with 7th modifications
• Root position has specific Root chord shapes when possible, like that classic Bm7 and B7
• Interactive fretboard with chord patterns
• Karplus-Strong synthesis for audio

STANDARD MUSIC NOTATION

• Standard piano notation output for all chords
• Notes with note names inside and color coded Sharps/Flats to help you learn reading
• All 15 Key Signatures for Pentatonic, Major and Harmonic minor scale types.
• Real-time chord note display
• Interactive Circle of Fifths for when you need that reference

INTUITIVE INTERFACE

• Drag to rotate between Keys and Modes
• Tap Roman numerals to explore chord progressions
• Visual feedback with color-coded intervals
• Smooth animations and responsive design

The Interval Bloom shows why Roman numeral chords work the way they do, how to change Modes, what happens when we transpose Modes, Keys, Chords. How is Blues minor related to Phrygian Dominant? Very easy to see on the Interval Bloom!
Whether you're a beginner learning basic chords or an advanced musician exploring complex harmonic relationships, GuitarBloom provides the tools you need to understand and apply music theory practically.

Perfect for guitarists, music students, composers, and anyone wanting to deepen their musical understanding.

• Realistic string sound - every chord now rings out with a guitar tone powered by Karplus-Strong synthesis.

Note: sound respects your device's Silent Mode, so flip the switch off to hear it.

• Root-position chord shapes - select the full G, full G7, and the classic Bm7, B7, and more Root position chord shapes, instead of the movable reduced shapes.
• Chord names front and center - the name of the chord you selected now appears right in the middle of the Interval Bloom.