Very simple app to tune your Guitar with 5 of the most popular tunings used by a lot of the top players. Never break a string again
-Tells you which way to tune the string up or down so no having to guess which way to tune
-Auto tune mode you do not need to select a string just keep tuning a particular string till it turns green.
-Target a single string by clicking the button related to the string you want to tune. Click button again to go back into auto mode.