Fender Tune - Free guitar and bass tune iOS app
Fine Tuner - Fine Tuner is a minimalistic guitar tuner that utilizes your device's built-in microphone.
Roadie Tuner - Fine tune your guitar in seconds
Metronomus - Powerful and beautiful online metronome
Epoch - Simple, with easy all-inclusive merchant integration. Powerful, with automated international customization. Flexible, for the most unique and sophisticated demands.
LINGOT - Musical instrument tuner, LINGOT is a musical instrument tuner.