Swoopster for iPad is a Fuzz / Flanger effect that was released a few weeks ago. The performance section of this app really produces some unique results and running your drums through Swoopster can bring out the inner Yeezus in them.
Check out this video of a drumloop set up in (the excellent) DM1 app and fed to Swoopster for some fuzzy mangling:
And here’s some audio of getting even more crazy with the XY-section of Swoopster:
iPad | iPhone