We've found everything from free (but still great-quality) apps through to strong budget options and full-bore professional packages with professional price tags and subscription plans. Whatever sort of digital art software you need, if you read on you're almost certain to find the perfect choice for you.
Naturally you can end up paying a lot more for the former, but with a more specialised package you may ultimately find yourself a little restricted if you feel the need to spread your creative wings a bit. When you're looking for the best digital art software you need to decide whether you need a full-featured artistic workhorse that can handle pretty much anything you care to throw at it, or a more narrowly-focussed app that reflects your particular style.