I like it BUT – Math Dots(Fairy Princess): Connect The Dot Puzzle Game/ Flashcard Drills App for Addition & Subtraction Review

Every time I close the app I have to "restore my purchase" of the full version... I use this app with my students, and don't always have access to wifi which limits me. Tried going on app support and there wasn't a way to express this from there...sorry to do it in a review.
Review by The update needs to go on Math Dots(Fairy Princess): Connect The Dot Puzzle Game/ Flashcard Drills App for Addition & Subtraction.