10 Simple Reasons Why You Should Use Sketch, NOT Photoshop
After more than 10 years being a Photoshop user and after 6 years using photoshop mainly for UI design for websites and apps, I decided to switch to Sketch. It may sound ridiculous but that was a hard decision due to the fact that Photoshop was for me what the brush is for the painter (or the sticks are for the drummer, or what ever :).