Free Vs. Paid Apps In The Android Marketplace [CHART]
via emarketer.com
Analysis of the Android Market App Store from September 2010 to December 2011 further demonstrates the reliance on the free app model. According to AndroLib, in September 2010 roughly 65% of all Android Market apps were downloaded for free; in December 2011 nearly 69% of mobile apps were downloaded for free. Read the rest at eMarketer.


David Erickson