The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
Note Freak is a reference app designed for musicians and recording engineers. I displays musical pitches along with the associated frequency value for each pitch in hertz. Also, various musical instruments are associated with the hertz value. The frequency spectrum is also split out into tabs allowing users quick and easy access for each spectrum.