ZBrush for iPad offers the ability to import 3D files from the Home screen, and various 3D, 2D, and native preset files from an active scene's canvas.
ZProject (.ZPR) and ZTool (.ZTL)
ZBrush native light, material, brush, and floor grid presets
Non native 3D formats
Texture and alpha image formats
Learn more in this guide's Supported Formats section.
Import supported formats from files stored locally (On My iPad).
Import a variety of files into an active session from the ZBrush canvas. Import format types are offered in respective categories.