Used to be a 5 star app.

This thing was amazing when it first came out. I got it for $4.99. Actually a reasonable price, considering what it does.
Then, they upped the price and basically abandoned the software. Now, Audiocopy/paste doesnt work.
Ugh.
Update:
I reinstalled Audiobus on my iphone because of this app. This app was the reason I wanted Audiobus in the first place. Its awesome. I run EVERYTHING through Filtatron. I would filter my beer through Filtatron, if I could. (Note: filtering beer or any other fluid through Filtatron not recommended.)
I can save samples and patches again!
Thank you devs! Awesome! Five-stars and well worth the price-tag!
Update 3/15/15: crashes frequently. Audiobus has broken sound, even in input slot. IAA also sounds broken. Not a win, yet.
Update 4/15/2015: This thing is back to being pure awesome. Sweet filter!

Solomon of Kleptolia about Filtatron