It sucks, Never Listens Properly, Dont Tell Me If I Do It During A Pause And Doesn't Even Teach Me G Ect. Then The Only Free Lesson You Can Do Have Loads Of Notes That You Dont Know About , Just Make The App Free And Add An Ad Or Ad Or 2 In The Sides Of The Screen, Go Ahead And Delete Your App And All Its Horrible Advertisements To Make Me Happy, Thanks