There are some phenomenal iPhone Guitar apps available, more than you think. I have selected ten of the very best – take a look at this list now… GuitarToolkit Essential guitar utilities, including an amazingly accurate tuner and a library of over 500,000 chords, all on your iPhone or iPod touch. One of the highest rated applications in the App Store. FEATURES – Direct support for 6- and 12-string guitar, 4-, 5- and 6-string bass, banjo, mandolin, and ukulele with a full chord library, standard and alternate tunings for each instrument. – Highly accurate chromatic tuner using the iPhone microphone (or iPod touch with microphone headset). – Precisely accurate metronome…