Pro Tuner
Description on iTunes:
*** FREE for limited time! download it and enjoy your holiday! ***
Pro Tuner is a well designed Chromatic Tuner on iPhone/iPad especially for
Guitar and Bass player. It's highly accurate and has 91 build-in tuning
modes. Moreover, you can play REAL guitar reference sounds by tapping the
strings. Pro Tuner supports two input methods: build-in microphone and line-
in. Pro Tuner supports Guitar Clip Microphone, which especially makes tuning
highly accurate.
Link: http://itunes.apple.com/app/pro-tuner/id483114184?mt=8
