Existing users, 
Katsura Shareware was founded in 2004. Our mission is to create shareware that makes your Mac more useful and fun to use. Piano Tuner, Strobe Tuner, Chromatic Tuner, ProPhase, ProLevel, Sirds, Ocean Waves, AudioTest.
Katsura Shareware
Company Info
http://www.katsurashareware.com/
San Jose, CA
Technical and Customer Support Info
Technical Support:
http://www.katsurashareware.com/
katsura@mac.com
Customer Support:
Developer: Update Info
