Chromatic Guitar Tuner & Tone & FFT - Free/No Ads – 1.06

The WithStrings Guitar Tuner is an Android application that runs on your smart phone. It uses the microphone input, audio output, and touch screen to give you many functions found on a stand-alone tuner. Two methods are used for tuning: 1) The application listens and analyzes the notes played on the guitar and provides an indication to loosen or tighten the selected string.