App Annie: Worldwide app downloads grew 15% and revenue soared 40% in 2016

Downloads, revenue, and time spent in apps all grew by double digits during 2016, according to a report by market researcher App Annie.

Time spent in apps grew more than 20 percent to nearly 900 billion hours in 2016, according to the year-end report. That’s just one sign that the global app economy saw healthy growth during the past year.