I’ve released my 3rd iPhone app “Ref-Tone”.
Ref-Tone is a Simple Synthesizer App.
Ref-Tone is can play a reference tone(A = 440~445Hz) , like a Pitch pipe.
Feature:
– you can choose a sound of reference.
– A = 440 ~ 445Hz, you can adjust.
– you can add upto 3 octave tone.