user unable to login on iPad to embedded forum on wordpress

user unable to login on iPad to embedded forum on wordpress (voyagerpress.org)
administrator can log user in from different machine, but not on iPad.

Lincoln

Howdy @Chief, are you able to log in on any other mobile devices?

Chief

yes; she can sign in on her iPhone.

Lincoln

Hi @Chief, I apologize for the delay, I'm having trouble getting access to an iPad to test this thoroughly. We generally haven't had issues with it being out of sync with other mobile platforms. I'm working on it.

Chief

Thx.