PitchLab Guitar Tuner - PitchLab Guitar Tuner is a software that helps artists to tune their guitar, and it comes with a chromatic tuner for free.
Tuner Eclipse - A simple and accurate guitar tuner for iOS
Metronome M1 - Simple but extremely accurate metronome for mobile.
Fender Tune - Free guitar and bass tune iOS app
Guitar Tuna - GuitarTuna is the easiest, fastest and most accurate guitar tuner app out there!
Roadie Tuner - Fine tune your guitar in seconds