See the nearest note and how far your pitch is above or below it.

  1. Set the reference pitch with the 440 Hz or 442 Hz button, or use the slider.
  2. Choose Start microphone and allow access. The tuner shows the note, frequency and pitch difference.
  3. Adjust input sensitivity with the vertical control on the right. Choose Stop microphone when you finish.

Audio is processed on your device. It is never recorded or sent to a server.

The detection range is 25–2000 Hz. Accuracy depends on your microphone and background noise.

The microphone stops when you leave this page or put the app in the background.