Nice app for twitter management.

What it does is record the activity of your twitter account. It displays follower, follow, block, and list history since youve authorized this app to your account. It has small, simple statistical data page showing how much you gained/lost something such as your tweet, RTs, and so on.
ive been using this for three years tho, its nice to see whos new and whos away from you. Therere not many apps allows you to do this kind of thing with this simplicity. Try it out.

LYNX7539 about Birdbrain ~ stats for Twitter, v3.2