Nature Maestro Apps for Families and Teachers January 18, 2015 by Christine Walker Leave a comment Our first five educational iOS apps are launched! Check them out on our Nature Maestro website or in our Earth in Concert page on the iTunes App Store. These audio-rich apps empower you to learn through sound. Advertisements Share this:TwitterFacebookGoogleLike this:Like Loading... Author: Christine Walker Christine Walker is a visual artist and writer.