Crashes - cant use

I loaded the app, excited to see what it will do. Created my ID, selected to sync contacts and it crashed. I tried everything and it just crashes. I have an iPhone 6 plus and the latest iOS.

I will gladly try it again if this gets fixed.

Glad its free.

Itriedbutitdoesntwork about Atmospheir Address Book & Messenger, v2.0.2