Apple Store Apple Family Tree Designer™

   This app has local help user can read any time tapping button on the top:
Family Tree

   Almost every help screen has button - symbol settings on the top:
Family Tree

   Tap on this button opens app settings:
Family Tree
   If 'Prohibit already existing tree modification' is ON app prevents already existing tree accidental modification or/and deleting while new tree can be created.
   If 'Notify about Family Tree downloaded' is ON app will notify you when new family tree file is downloaded.
   Disabled control button has a red cross on it; if 'Need disabled controls explanation' is ON long press on red crossed button will display a short message for a few seconds explaining the reason why button is disabled. Tap this message to hide it before it's gone automatically.