Sound

• Speaker button toggles sound (starts muted).
• Unmuting plays the current scale / note / chord.
• Changes to key/mode or selecting notes/chords play after a swipe lands.
• On iPhone/iPad, tap the speaker once to enable audio.

Key selection

• Tap the Key pill to choose a key.
• For enharmonic keys (e.g., C#/Db), tap the key label to switch spelling.

Mode selection

• Tap the Mode pill to pick a mode.

Swipe / drag on tiles

• Swipe left/right to rotate through modes.
• Swipe up/down to change key by semitone.
• Longer drags can shift multiple steps.

Note tiles

• Tap a note tile to filter chords rooted on that note and highlight only that note on keyboard/fretboard.
• Use All Chords to return to the full-scale view.

Harmony Explorer

• Tap a chord row to select it and highlight its tones.
• Tap tone headers (3/5/7/9/11/13) to change chord depth.
• Tap any tone cell in a row to preview that row at the tapped depth.

Keyboard & fretboard

• Colors match the scale-degree tiles.
• Visualizers update as you change key/mode or select notes/chords.

Mobile panels

• Use the Key & Mode strip to expand the key/mode controls.
• Use the Harmony Explorer strip to expand the chord grid.

Randomize

• Randomizes key and mode, updating tiles, visualizers, and chords.
• Use +5th / -5th to move the key by a perfect fifth.

Metronome

• Open the metronome to set tempo, time signature, and start/stop the click.
• Tap the tempo pad to set the BPM by feel.
• Enable the downbeat ping to emphasize beat 1.

Tuner

• Allow microphone access to detect pitch and show the nearest note.
• Use the A button for a reference tone.