Instruments
Guitar, bass, ukulele, violin, viola, cello, bandurria and reference A.
440 or 442 Hz?
The international standard is A = 440 Hz, but many bands and orchestras tune to 442 Hz. Pick the reference your ensemble uses.
Frequently asked questions
Does it listen to my instrument through the microphone?
Coming soon. For now it plays reference tones so you can tune by ear.