Sketch is a digital design app from Mac. You can use it for UI, mobile, web and even icon design. Here are the top three reasons that I use Sketch from a web designer's perspective.

What can I use sketch for?

Sketch is a software for macOS. It is known as the digital design tool, and its primary usage is UI and UX Design of mobile, web, desktop, and wearables. Sketch is vector-based, thanks to this, all graphics are easily scalable.

Is sketch available for free?

sketch files. And it's completely free.