It can filter million of numbers in few minutes and show you active/inactive users list.
This app can find active WhatsApp numbers and last a connect to WhatsApp (inbuild function of LastSeen).
Features
It can filter WhatsApp contacts from a list of numbers. Let’s say you have 10 000 numbers and don’t know which one is on WhatsApp. So this app will do this for you. No limit on this app, it filters 40-50 contacts in 3-5 seconds.
