What is BIAS?
BIAS is an Amp Designer, Modeler and Processor for iPad.It's warm, accurate and more versatile than any other modeler, processor in hardware or software ever created.
http://www.positivegrid.com/bias/
BIAS + JAMUP
Bias integrates seamlessly with JamUp XT and JamUp Pro XT guitar multi-effects apps for iPad, expanding Bias into a powerful and completely unified professional guitar system for live use, recording and jamming.Simply tap on the JamUp icon on the right side of Bias' upper menu bar to open your current Bias amp setup directly in either JamUp XT or JamUp Pro XT. And you can open BIAS from JamUp by tapping the BIAS icon to tweak your models.
