Guitar Tuner 1.0 [免費版]

use this app to tune your guitar,
choose between various tunings
standard EADGBE
open D DADF#AD
open C CGCGCE
open G DGDGBD
drop D DADGBE
guitalele ADGCEA
or you can use the chromatic tuner

• 03/17/2021: Guitar Tuner 1.0
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