Apps only work for very specific use cases. The difficulty in getting people to download your app shows that. That study doesn’t seem to break down what apps are being used. I’m going to guess games, as they dominate the charts, or specific websites that have created mobile apps. Facebook, Twitter or maps, which are used for multiple hours straight when driving.

If there is a site you use often enough it graduates to living in your phone. But the majority of what apps can do is never even touched.

I’d be much more interested in a breakdown of app usage, as I bet active time shifts more towards web