Optima Guitar Tuner is a real-time chromatic tuner for iPhone, iPod Touch and iPad

This real time analyser listens through your device microphone as you play your instrument to determine how in-tune it is.

* Real-time frequency display
* Real-time cent display
* Note and Octave displayed
* Option to invert the colours on the main screen
* Supports rotation
* Defaults to A440 reference pitch but allows you to change this.
* EADGBE Tuner that shows target frequency
* Guitar audio samples so you can hear what an open string should sound like.

** iPod Touch users, please insert the microphone headset before launching the app **