Doesn't currently work – RelaxBook Rain - Sleep sounds for you to relax with natural sounds, storm, thunders, wind, rain, and more Review

Just bought this only to discover the app stalls on the opening screen. This is true for both iPhone and iPad on the latest iOS. I want my money back. Or fix it really soon.
Review by DoctorObvious on RelaxBook Rain - Sleep sounds for you to relax with natural sounds, storm, thunders, wind, rain, and more.