Cleartune!

My most indispensable app is my guitar tuner, Cleartune. None of the old visual or analog tuners are as precise. Features:- Note Wheel Display- Ultra responsive 25 cent range fine tuning display- Needle Damping option- Accuracy 0.01 semitone (1 cent)- Selectable Temperaments- Selectable Notations (such as Solfge)- User-defined temperament and notations- Support for transposing instruments- Automatic reference note calibration- Adjustable A4 calibration in 0.1 Hz increment- Pitch Pipe/Tone generator- Selectable tone waveform- Automatic or manual note selection