With Guitar Apps you will have a Chromatic Tuner, a Metronome and a Ear Tuner for your guitar and bass.

A useful utility for tuning guitars. Plays each note in standard tuning (E A D G B e).

Develop a better musical ear with this simple guitar tuner for your iPhone, iPod touch and iPad.

 
This guitar tuner allows you to hear the sound of a tuned guitar right on your iPhone, iPod touch or iPad. With a high sound quality, you will be able to tune your guitar correctly with this app.