Use APKPure App
Get Unfollowers for Twitter old version APK for Android
Find unfollowers (not following back) in Twitter
Helps you to find unfollowers (non followers or lost followers) in Twitter.
Unfollow app detects unfollowers in Twitter and shows you a list of users who not follows you back.
How it works?
1) Login using your Twitter account username and password (Twitter API auth used)
2) Tracker find for you followers who not follows you back (unfollowed me).
3) Unfollow them if you want!