Piano Tuner 1.9

Piano Tuner is a 12-note chromatic scale strobe tuner application that utilizes sound input devices such as built-in microphone, line in, and iSight.
Strobe tuners are extremely accurate compare to regular tuners with a needle or LEDs.
Piano Tuner can be used by someone who wants to learn how to tune a piano by using a tuning lever and also be used by a professional piano tuner to help the tuning process.
Main features:
- Tuning: 12-note chromatic scale.
- Temperaments: Customizable (±50 cents). Supports Scala Scale (.scl) files.
- Stretch: Customizable (±50 cents).
- Meters: strobe, cent, and hertz.
- Range: 9 octaves. C0 (16.352Hz) - B8 (7902.133Hz).
- Accuracy: ±0.1 cent with the cent readout. ±0.1 cent @ 440Hz with the strobe tuning meter.
- Calibration: 349.000 - 499.999Hz (0.001Hz steps).
- Display: 88-key piano keyboard.
- Sound Back: plays the pure tone (sine wave) at the ideal pitch.
Version restrictions:
- Registration Reminder.