TumbleCheck
Detailed App Info:
Application Description
TumbleCheck allows you to quickly find people who have unfollowed you on Tumblr and then unfollow them.
Requirements
Your mobile device must have at least 1.31 MB of space to download and install TumbleCheck app. TumbleCheck is available on iTunes for $0.99
If you have any problems with installation or in-app purchase, found bugs, questions, comments about this application, you can visit the official website of Christopher Su at http://christophersu.net/contact/.
Copyright © Christopher Su