TuneCrack - TuneCrack stands for: Crack the tuning problem. The importance of tuning is often underestimated.
Fine Tuner - Fine Tuner is a minimalistic guitar tuner that utilizes your device's built-in microphone.
PitchBlitz - PitchBlitz prepares you for the Pitch Grid Test.
Metronomus - Powerful and beautiful online metronome
Guitar Tuna - GuitarTuna is the easiest, fastest and most accurate guitar tuner app out there!
LINGOT - Musical instrument tuner, LINGOT is a musical instrument tuner.