Chromatic tuner for guitar, violin, ukulele, cello, and any other musical instrument. This tuner shows note, frequency, octave, and cents all together. Easy to know where the current tuning sound is in scale and and how it is far from the standard frequency. All features are free![Features]1. tuning type options2. A4 frequency setting3. pitch pipe4. various colors5. note name6. staff, keyboard view
||Compatible with iPhone 3Gs, iPhone 4. iTunes account required.