Hi Lisa,
Thank you for reaching out. Unfortunately, we do not currently track the type of email clients used to open/click an email sent via ClickDimensions. There is an existing feature request for this. I have included a link to this request below so that you can up-vote it.
http://support.clickdimensions.com/entries/42427860-Would-like-to-see-if-our-viewers-are-opening-emails-on-desktops-or-mobile-devices