Apple CEO Tim Cook predicted it would be an iPad Christmas and it looks like he may be right.
(Read more: Three reasons Apple will have a big 2014: Pro )
According to Localytics, a mobile app marketing and analytics firm, there were 51 percent more iPad Air devices in use during the shopping holidays than there were during the previous weekend.
Localytics also saw 26 percent more iPad Minis in use during the same Friday-through-Monday period than the previous week.
—By CNBC's Cadie Thompson. Follow her on Twitter @CadieThompson.