Fine Tuner is a minimalistic tuner with a user interface optimized for guitar, bass, violin, ukulele, banjo and other string instruments. It utilizes your device's built-in microphone. The app includes over 30 popular guitar tunings as well as several tunings for a variety of other instruments. Fine Tuner also has the ability to tune to a custom note and can be used to tune almost any instrument. The free version of the app includes standard guitar, drop d, and double drop d tunings. Features - Built in tunings for guitar, bass, 4-string / 5-string banjo, ukulele, violin, viola, cello. - Support for changing the standard A tuning (e.g. 432 Hz). - Auto mode for minimal app interaction while tuning. - Dark mode.