Source: Kenshoo [download page]
Notes: Mobile application installs grew by 182% between January and December 2014, almost keeping pace with the growth in ad spending of 235%, reports Kenshoo in a recent study. As a result, the cost of a mobile app install (CPI) grew by a relatively modest 19% during the year. CPI was more than twice as high on iOS as on Android devices, and also increased at a faster rate. (more…)