I have found that if there is an i phone or i pad member in my club we cannot contact them by message, and cannot play with them as we all use a computer and no cross platform play is allowed.
Now I don't have them in my club as it's not fair on them as they cannot completely join in with the other members.
I was told by WGT that there are things they can't do in the way of playing, and certain courses they can't play. Which when it comes to club competitions means they are restricted.
Sue