RoGame Software has released EarMan 1.5 (http://mac.rogame.com/pages/EarMan.html) for Mac OS X. It requires Mac OS X 10.6.6 or higher, costs US$9.99 and is available at the Mac App Store in the Music category.
A basic skill for any musician is the ability to correctly identify intervals. EarMan is designed to provide the necessary tools to gain proficiency in this demanding subject matter with a lesson plan, graded test feedback, quick sessions, interval songs, incorporation of complementary intervals and more advanced features like subliminal hints and support for Dropbox synchronization.
EarMan offers a structured training program with 105 sessions. It’s localized into Chinese, Dutch, English, French, German, Italian, Japanese, Korean, Portuguese, Spanish and Swedish.