Tracker is an application that is designed to track the activity of the followers of an Instagram profile. You can use this tool to track the growth of your followers, the posts that have the most number of views, the number of likes, and more.

It is a very easy-to-use tool, and you don't need to know any coding language to use it. You can follow or unfollow users, and you can also block users who are unfollowing you.

To use the app, you need to have an account on Instagram, and you need to be connected to the internet.