Not working – Family Tie - free chat for all (voice, video, text, photos, IM and more) Review

Looking for an app to chat/text with my 9 year old son. Installed it on my iPhone 5S and iPad. Will not let me open the app to set up and use.
Review by Shopper7 on Family Tie - free chat for all (voice, video, text, photos, IM and more).