RescueTime

The app also tracks your phone calls and displays details on how much time you spend in meetings, while exercising, shopping, doing various fund activities or in your family’s company. It’s an efficient app for managing your time and making the most of various activities.
 
It shows how much time you spend in various apps on your phone, displaying an informative graph for the past 30 days, 7 day or current day. The app runs in the background and you can enable notifications, have it track sites while browsing in Chrome or the default Android Browser on your phone. It also lets you sync information over Wi-Fi, use a tracking schedule or measure time even when the phone is locked.