It supports most of famous stylus like:
Adonit™ - Jot Dash©, Jot Touch©, Jot Script©
Wacom™ - Intuos© Creative Stylus 2, Bamboo Stylus Fineline 2
Sunrex™ - EPN-520, EPN-601a
With above stylus support, You can draw lines with pen's
force. And enable 'Palm Rejection' feature to make drawing easy.
One more thing is PenTime come with 16x Anti-Alias line smooth feature , and supports iPad Air 2 's 120 TPS (touches per second) high performance touch panel, it's make PenTime drawing very response and low lag.
Use your style's second button (other then tip) can show/hide menu area , it's made you can drawing just like on full blank paper.