Sketch (App Store Essence) is the most powerful vector drawing design tool for mobile applications，For web and mobile designers，N times easier to use than PhotoShop! Especially when it comes to mobile app design，Sketch 3 The advantage is that it is simple to use，low learning curve，And the function is more powerful and easier to use。Can greatly save designers time and workload，Great for website design、mobile app design、Icon design etc.。 Vector tools and basic shapes are the foundation；Whether you are designing icons、website、Interface or anything else。Combine these with non-destructive Boolean operations into complex shapes，giving you the freedom to edit them in the future，Then apply advanced layer style selection....