I purchased the Pro but won’t sync with iPad – Open House App Review

Been trying to find out how to contact you directly, but unable to find anyway to do so, without providing this review. I purchased your pro Open House app from my iPhone, and also want to use it on my iPad. It only allows me to have the pro version on the phone. I do not want to pay for this again!! Why won’t it sync between iPhone and iPad with iCloud?
Review by Hazel34 on Open House App.