Ok so you're saying this app is useless.....we will see. If you are wrong, please hand in your license to be a Doctor as it is very incompetent to not recognise good forward thinking apps that will improve the world's respiratory health diagnoses. Oh wait....your get out clause is you only said croup. Are you convinced about any of the RAP algorithms and sleep Apnoea? Please state your opinions now so you can be judged in the future as irrelevant or not.