What is - UnFollow who UnFollowed me?
Out tool lets you unfollow manually those not following you back. If you follow hundreds or thousands people and what to know who follows you back (or actually who doesn't), it will take you days to figure this out.
Why you need to find people that not follow you back? If you want to grow your Twitter audience you must keep followers to follow ration.
Here is what Twitter says about this ratio: Every account can follow 2,000 users total. Once you've followed 2,000 users, there are limits to the number of additional users you can follow. This number is different for each account and is based on your ratio of followers to following;
To keep this ratio and be able to grow your Twitter followers you need to find those that you follow and they not following you back.
Our "UnFollow who UnFollowed me" web application helps you to unfollow your unfollowers with single button click.