“Drop D tuning, then. What’s that all about?” Well, unless you’ve just taken your first guitar out of its box for the first time, you’re probably used to tuning your instrument. Hopefully you’ll know ...

Best guitar tuner apps: MusicRadar recommends For the best all-round tuning option, with plenty of additional features readily available, Fender’s Guitar Tuner app is superb - as you’d expect coming ...

Once you've filled your boots with DADGAD or double drop D, why not turn your attention to an open tuning that is very popular for clawhammer acoustic guitar, open Gsus4? It is essentially the ...

The tuner on the application uses the iPhone’s microphone, so it doesn’t need to be plugged in. You have a choice of over 40 tunings, including many of the most popular like Standard, Drop D ...

For tuning, Guitar Toolkit is very flexible: You set your preferred pitch between 392Hz to 528Hz, and you can even use presets to tune any plucked string instrument.