Fine Tuner - Fine Tuner is a minimalistic guitar tuner that utilizes your device's built-in microphone.
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.
MyGuitarTuner.com - Online microphone tuner for guitar, ukulele, violin and other instruments. Tune by ear or using the microphone of your device. It's fast and accurate algorithm makes it one of the best online microphone tuners available.
Metronome M1 - Simple but extremely accurate metronome for mobile.
Metronomus - Powerful and beautiful online metronome
Guitar Tuna - GuitarTuna is the easiest, fastest and most accurate guitar tuner app out there!