Originally Posted by sadievan

On your iPhone, iPad, go into settings then mail,contacts, calendars. Scroll down to the Contacts section and make sure the Default Account is set to Google. Same for calendars.

It takes my iPhone longer to sync than my iPad for some reason, but both do over the air. If it doesn't do it fast enough you can go into your contacts and hit the 'groups' button on the top left. There you can hit the 'refresh' button and the contacts should then sync.

HTH
Carol