Violin Tuner- For Pro Accuracy

Violin Tuner is a tool for tuning musical instrument  violin.  It 
*  listens to instrument sound with your iPhone microphone and measures the sound frequency  
*  produces sample reference sounds when touching the strings on screen
*  gives directives like TIGHTEN and LOOSEN to find the right tune
*  informs before breaking the string
*  supports both select string and auto select modes