Apple Pencil Pro adds even more magical features to help bring your ideas to life. New, advanced features make marking up, taking notes, and creating masterpieces more intuitive than ever. Compress. Apple Pencil Pro senses when you squeeze it and opens a new palette so you can quickly switch tools, line weights, and colors. Barrel. A new gyroscope lets you rotate Apple Pencil Pro for precise control of your pen and brush shapes. Tactile feedback. A special haptic engine provides precise feedback that you can feel. When you squeeze or double-tap, you will feel a light pulse confirming the action.