FxFactory in  
GarageBand
GarageBand

FxFactory includes Audio Unit plugins for GarageBand in its catalog. If you have recently installed a product that supports GarageBand, please refer to Apple’s GarageBand user guide for assistance:

Ready to try our products in  
GarageBand
GarageBand
?

FxFactory lets you browse and install all our products, including any commercial and free plugins for GarageBand. Most commercial plugins can be used in trial mode so you get to try before you buy. FxFactory 7.1.8 supports GarageBand 10.1 (or later).