Perfectly tune your instrument with this app.

From Yousician, GuitarTuna is a free app that uses your Android device's microphone and screen to find each string's tone on a your guitar and guide you toward the proper pitch. It will tell you whether to crank each string up or down, and it easily works with all typical guitar setups, like six-string, 12-string and four-string bass guitar.

GuitarTuna is a great replacement to digital devices built specifically for tuning guitars. With those, you often have to press buttons to go from one guitar string to another. This app lets you strum any string, detects which string you played and tells you in which direction to tune the string for the proper pitch.

A crucial space saver and time saver, GuitarTuna will run on any smartphone or tablet that uses Android 4.0.3 or better.