You can add brushes to Procreate by downloading .brush files onto your iPad, and then "sharing" them to Procreate.

You can draw on an iPad with an Apple Pencil on the Procreate app, which you can use to sketch, paint, and illustrate.

You can splurge on a mega version or save your pennies with a compact Cricut, but you'll want to take advantage of these current discounts.