True Guitar Tuner features multiple tuning modes that make using a chromatic tuner a breeze. Works great for fine tuning your instrument and comes with preprogrammed chromatic tunings. True Guitar Tuner can be used as a reliable instrument tuner for all musicians. This android guitar tuner also works for banjo, bass, and ukulele. Slap on some new strings and tune out with True Guitar Tuner. Layouts for phones and tablets.