Tune Kitten Free - The coolest chromatic tuner on the App Store. Super simple tuner. Since it's chromatic you can tune any instrument. Guitar, Bass, Violin, Cello,Piano, Triangle, Banjo, Want to use an alternate tuning No problem. Automatic note detection. Advanced audio analysis to determine note and tuning. Loads quick and is easy to use. Left wheel displays the musical note and octave. Right wheel displays tuning. This app requires an external microphone when used with an iPod Touch.