I've edited your previous post to remove the name of the app. We do not allow any advertising here. You may want to read the forum rules here:
http://www.friendsandfamilyforum.com...aq_forum_rules
As for any use of technology, the more accurate your data, the better the app might be at predicting what could happen in nature. Nature, however, does not care what our technology says. I'd consult a doctor before consulting an app. They've invested far more into their education.