For the overzealous boyfriends and girlfriends a new App to keep tab on their lovers activity or anyone you feel like. You can scope he/she with Whatscope and receive notifications instantly when he/she is online on WhatsApp.You can also view how many times logged in-out, and online durations on WhatsApp. Able to scope even last seen turned off or blocked, and you can get instant notifications when gets online on WhatsApp.
You can find out the total number of minutes that remain online during the day, also weekly and monthly online durations. It is free only for a day so check if it works out for you.