ScoreSkills- Learn Music Notes funktioniert nicht

Aural Foundations, Pitch Matching, Directional Audiation, Note reading up to an octave, Rhythms including Whole, Half, and Quarter Notes, Notes up to staff edges, Rhythms including eighth and 16th notes, Accidentals, Tonic and Dominant Functions, Notes up to 3 Ledger Lines, Rhythms with Ties, 4 More Major Scales, Chord Inversions, Add Subdominant Chords, Whole and Half Steps, 4 More Major Scales, Interval Quality, Simple Chord Progressions, Rhythms in 2/4, 4/4, and 6/8, Complex Rhythms in Duple/Triplets, All 12 Major keys and scales, Chord Progressions, and more subjects are arriving soon.  ScoreSkills offers you (or your kids) "learning by experience" fun exercises that teach you as you go to read, write and play music at your own pace, whenever and wherever you want. “By far, it’s my favorite app, and it really helps me learn music theory while making it fun and interesting.  ScoreSkills is an innovative app that helps you to learn music and enhance your musical skills in a fun & interesting way.  ScoreSkills is the only music education app that trains your music-writing skills as a core part of learning.  With our proven techniques, developed by music experts and educators, you'll gain everything you need to master music and become a pro (music theory, ear-training, sight-reading, music writing, etc. ).  Download now to practice reading, writing, singing, and listening to music and join our global community of music makers.  Basically, anyone who can read and wants to improve his music and personal skills.  Not only that, it is proved that our learning methods improve other life & brain skills such as; creativity, focus, memory abilities, analytical skills, etc.  We introduce new skills by using step by step rewarding games and challenges that suit your playing level and give you instant feedback on your performance.  You'll be composing your own music in no time.  The app contains thousands of levels, and we keep releasing hundreds more every few weeks that will teach you everything you need in a simplified way.  The App is designed for beginners and doesn’t require a musical instrument to enjoy.  If you enjoy your ScoreSkills trial, do nothing, and your subscription will automatically continue.  It is perfectly suited for self-learning or as a supplement to learning with a teacher.  Prices may vary in different countries, and payment will be charged to iTunes Account.  Subscribers will receive unlimited access to all of the chapters and levels.