The world’s best #guitar app for iOS. Reference hand-curated chords and scales, tuner, interactive #guitarlessons , and other stuff, too. Made in NYC.
Take Chordbank’s free #guitar anatomy quiz and see how well you know your frets from your soundholes:
http://chordbank.com/quizzes/guitar-anatomy
Sure, you can use some kind of fancy futuristic app-thing to tune your guitar for you, like some kind of beard-wearing hipster. Or you can tune your guitar the same way people have been doing it for centuries: with your ear, your fingers, and your brain.