There are four Apple Pencil versions: the 1st generation, 2nd generation, USB-C, and Apple Pencil Pro. Apple’s current lineup also shows those four models for sale or reference.

Quick Scoop

  • Apple Pencil (1st generation)
  • Apple Pencil (2nd generation)
  • Apple Pencil (USB-C)
  • Apple Pencil Pro

Compatibility note

The main difference between them is compatibility with different iPad models, plus features like charging method, pressure sensitivity, and newer pro-only functions. Apple’s lineup page and recent coverage both describe the set as four models.

TL;DR: 4 versions.