Pitch Grid Test - Measure your pitch-distance precision recognition. The resulting relative pitch indicator shows your sense for relative pitch.
LINGOT - Musical instrument tuner, LINGOT is a musical instrument tuner.
TuneCrack - TuneCrack stands for: Crack the tuning problem. The importance of tuning is often underestimated.
AP Tuner - APTuner is a sophisticated chromatic tuner for your computer, tablet, and phone.
Guitar Tuna - GuitarTuna is the easiest, fastest and most accurate guitar tuner app out there!
TapNTune - TapNTune is a fully functional application that can help users tune their instruments with ease, and users can use it on their Mac system.