Mass Unfollowers

Twitter is a social networking microblogging service which allows registered members to broadcast Tweet. So are you a Twitter user? Eager to know which user don’t follow you back on Twitter? Okay, now find your unfollowers, mutual followers and mass unfollow them with the best ever Twitter Unfollow Tool. This time, No Limits! Totally Free!
Key Features:

This application provides you the analysis of your Twitter account along with the list of;
Non Followers: People who don’t follow you back
Fans: People whom you don’t follow back on Twitter
Mutual: People who follow you and you also follow them back
Whitelists
Follow and unfollow: unfollow/follow mass users by count
Now unfollow those whose are not following you back in free.
Use this Twitter unfollow app to manage your Twitter account effectively. Get much more insights from this.
It is accurate, free to use, and extremely intuitive.

How to use “Mass Unfollowers” App?

Sign in with your Twitter credentials.
Find your unfollowers/followers/mutual followers and unfollow them in just a single click.
There is no limit in following/unfollowing. Unfollow Twitter users and follow Twitter users as much as you want.