Chord & FretTuner
Play the reference tones and tune by ear, or use the microphone to see the note and how many cents off — cents are hundredths of a semitone: near 0, the string is in tune. Audio stays on your device, nothing is sent.
Microphone audio stays on your device — nothing is sent anywhere.
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Reference tones
Play the matching open string and tune by ear.
| E | 329.6 Hz |
|---|---|
| B | 246.9 Hz |
| G | 196.0 Hz |
| D | 146.8 Hz |
| A | 110.0 Hz |
| E | 82.4 Hz |
With no JavaScript, the open-string table (note and frequency) works as a reference for tuning by ear.
When you're ready to go from reading to playing, the Chord & Fret app puts this fretboard interactive in your hand — available on the app stores.