Online Tracking and Last Seen by GRF Soft is a free Android application that provides detailed usage reports of other applications. With this app, users can easily learn about the usage times and instant reports of various applications. This app also provides past thirty days of app usage history.

One of the key features of this app is the application usage analysis that shows daily WhatsApp usage and last online time. It also provides information about how much time is spent on using an app. The app allows users to turn the WhatsApp tracker notification settings on and off for each profile. It also notifies users for prolonged and excessive use.