Show My Tone app for iPhone and iPad
Capture sound and show the main/base frequency and note/cent.
It also visualize the sound in frequency domain.
Good for practice pitch accuracy and for fun!
* Adjustable A4 (La, A440) frequency to adapt to multiple musical standards
* This program just show the note and frequency with highest energy. This maybe not the real base frequency, but should be highly related.
* Optional A-weighting for better accuracy.