Earbuilder by GCM Enterprises Cost: $9 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Earbuilder by GCM Enterprises: Earbuilder is an ear training software for students and Hobbyists on a budget. Purchase Earbuilder to train you towards that perfect pitch ear you have always wanted. Earbuilder will train your ear with Interval, Scales, and Chord drills that can be customized to your desire. Use the auto trainer for hands free practice. Purchase Earbuilder now.