Its a lot harder to tune a guitar by ear than to use an app.
With the guitar tuner apps, there is direction. You know whether to tune it higher or lower. This guidance that the app provides instills a confidence in ourselves and makes sure that our guitar will sound the best it can. Now obviously veteran or more professional guitarists do not need help tuning, but for all the amateurs and non guitarists, it is essential that we use the apps in order to make sure we get it right.
There are many things all around us like these guitar tuner apps that can be critical in measuring, estimating, and evaluating life. We need to take advantage of these opportunities and not always try to do life on our own.
Mitch's Blog 