I've been trying to get back into playing guitar and I've noticed one thing: Both the App Store and Google Play are replete with guitar-tuning apps that are full of either upsells or advertisements.

One of guitar playing’s simplest joys comes in ringing out a big, open chord and letting the guitar’s strings and tonewoods work their magic. Now imagine that joy, doubled. The best 12-string guitars ...

Tune up without getting bogged down. If you'd rather not use this automated tuning, or find that it doesn't quite work, you can tap a string to tune it specifically. This also plays the note from your ...