01
Note map explorer
Choose any pitch class, reveal every occurrence across twelve frets and tap positions to hear them.
- Musical alphabet
- Accidentals
- Fretboard map
Interactive learning tools
Music theory you can change, hear and touch.
An explanation answers “what?”. An explorer answers “what happens if?”. Fretuno places specialised interactive tools inside the lesson so you can test a relationship before trying to recall it.
Eight tool types
A different concept deserves a different way to explore.
02
Scale and mode explorer
Change the tonic, compare formulas and highlight scale tones while roots remain visually distinct.
- Major and minor scales
- Pentatonic and blues
- Modes
03
Interval explorer
Move from unison to octave one semitone at a time and compare melodic or harmonic presentation.
- Intervals
- Ear-training basics
- Fretboard intervals
04
Chord-tone explorer
Switch roots and qualities to inspect formulas, note spelling and the location of chord tones.
- Triads and sevenths
- Suspended and added chords
- Chord extensions
05
Harmony path explorer
Play chord sequences as note groups and follow function, tension and resolution through a key.
- Diatonic harmony
- Chord functions
- Cadences
06
Circle of fifths explorer
Select a key, view its relative minor and signature, then travel clockwise or counter-clockwise.
- Keys
- Circle of fifths
- Modulation
07
Shape and inversion tools
See power-chord shapes and compare root position with chord inversions directly on the neck.
- Power chords
- Chord inversions
- Voice leading
08
Mission checklists
Complete small listening and fretboard tasks while the concept is still visible in front of you.
- Scales
- Chords
- Applied review
The method
A short loop designed for active learning
- 1
Read
Meet one rule without a wall of terminology.
- 2
Change
Move the root, quality, key or position and observe what stays constant.
- 3
Listen
Play a note, interval or progression and connect the diagram with sound.
- 4
Prove it
Answer review checks and finish a practical mission.
Fretuno for Android
Do not only read theory. Change it and hear the result.
Fretuno is being prepared for release. The Google Play link will appear here when the store listing is live.