Where can one purchase a tuner for guitar?

* Music stores: A variety of tuners are available at music stores, both online and in person. These tuners range from simple clip-on models to more advanced multi-function tuners.

* Online retailers: A wide selection of tuners is available online from retailers such as Amazon, Musician's Friend, and Sweetwater Sound.

* Guitar manufacturers: Most guitar manufacturers also sell tuners, designed specifically for their own guitars.

* Smartphone apps: There are a number of free and paid tuner apps available for smartphones. These apps use the phone's microphone to tune your guitar and can be very convenient, especially if you don't want to carry around a separate tuner.