Tap a key to hold a pitch. Stack notes to build & tune a chord. Double-tap a note to set the key.
Settings
Sound
Reference pitch
Keyboard
Piano width in white keys (always at least one full octave). Use the slider under the keyboard to choose which note sits lowest. Pitch pipe arranges the 12 notes in a ring.
Analysis
Displays the highest common sub-harmonic of the sounding notes — the “phantom” root a just-tuned (barbershop) chord rings on. Needs at least two audible notes.
Playing
Off (Sustain): tap a note to latch it on, tap again to stop. On (Hold): a note sounds only while you hold it. In the list below, tap a note to mute it, press-and-hold to remove it.