Developed by the team behind the popular online guitar tuner site ProGuitar.com. We have been working hard to bring you the best Guitar Tuner App on iOS. The interface is similar to the tuner on proguitar.com but optimized for iOS-devices. The app listen and analyze the sound in real time from the built-in mic, headset, guitar clip on or from any other external microphone. It is so accurate that it will be your best friend for guitar intonation! Pro Guitar Tuner is used by professional guitar makers, guitar repair shops and musicians around the world. Because Pro Guitar Tuner is chromatic you can tune most types of stringed instruments. High quality samples of real instruments are also included (i.e. tune by ear if preferred!). A massive library of different tunings for guitar, bass, balalaika, violin, ukulele and more makes it easy to find more qualities and characteristics from your instrument. Enjoy and stay tuned!