Fine Bass Tuner is a chromatic tuner designed for bass instruments that allows you to quickly and accurately tune your instrument using the built-in mic in your Android device. Features nice and clean interface allowing you to quickly find your pitch. The Fine Bass Tuner is a version of my Fine Chromatic Tuner that was adjusted and designed for bass . I believe that it will work with any low to mid range instrument as it was fine adjusted for the 20 Hz - 300 Hz. This is automatic chromatic