Americans are spending more time within mobile apps and less time within mobile browsers. However, the number of apps being used regularly is dropping, as users concentrate their activities in core apps. In 2017, the average US adult will spend 2 hours, 25 minutes per day using mobile apps, a jump of 10.3% over last year, and slightly higher than previously forecast. That means time spent with mobile apps will reach 19.9% of average daily total media time this year. Read more at eMarketer.