Chromatic
Free
Chromatic tuning, 62–800 Hz · four display views · Guitar mode and six Guitar views
Checked 29 Sep 2026
Plans and prices
Centerline pricing
Centerline Complete
$3.99, paid once
Drop D, Half step down, D standard, DADGAD, Open G · custom six-string tunings · capo settings · A4 calibration (432–446 Hz) · reference tones
Checked 29 Sep 2026