I'm glad I could help and looking forward to the update :-)
IMO the sleep sound feature seems to be something you should analyze whether it's used or not. If not (<5 or 10%?), drop the feature. If it's used, you might want to extend the collection (in the premium version only?), and then the user could download the sounds he/she wants.
IMO the sleep sound feature seems to be something you should analyze whether it's used or not. If not (<5 or 10%?), drop the feature. If it's used, you might want to extend the collection (in the premium version only?), and then the user could download the sounds he/she wants.