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.
From Daniel Ho:
Ear Worthy trains you to have perfect pitch. It is one of the most comprehensive ear training apps on the Appstore to date. It will train you on an extensive variety of musical listening and identification skills from notes and intervals to scales and chords. Ear Worthy includes high quality piano samples and an intuitive user interface.The App has four main features, which play musical elements, and the user is given the opportunity to identify what is being played:1. To identify notes Random notes are played individually. 2. To identify intervals 2 Notes are played sequentially. 3. To identify scales A set of notes are played sequentially, ascending and descending.4. To identify chords 3 to 5 notes are played simultaneously.