It's not a household name, no. The competition is quite fierce, and you have to fight against the biggest juggernaut of them all: Photoshop. If your want more t

It's not a household name, no. The competition is quite fierce, and you have to fight against the biggest juggernaut of them all: Photoshop. If your want more traditionnal techniques, you will first learn of Corel Painter then more than probably the one on iPad and at long last meet Artrage, Rebelle, Krita... I own nearly all of them, but none are very good at replicating the feeling of drawing on paper, stone, canvas. To be fair: the color model is not the same (so mixing paint is another experience), the media (tablet, with screen or not) has a plastic/glass feeling, the pen is... well, a pen, and you have to deal with the UI. In summary: it's a different experience, not good or bad, but nonetheless very different. To draw as therapy, I wouldn't bother: it's expensive, cumbersome, and won't detach you from your screen. You will still have to fight all the possibilities of the computer to not be distracted. There's a lot of coloring/drawing book for cheap on the market. My wife do that a lot and love it!