What are some alternatives?
When comparing DrawPad and CorelDRAW, you can also consider the following products
Adobe Illustrator - Adobe Illustrator is a vector graphics editor.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Sketch - Professional digital design for Mac.
GIMP - GIMP is a multiplatform photo manipulation tool.
Vector Magic - Easily convert JPG, PNG, BMP, GIF bitmap images to SVG, EPS, PDF, AI, DXF vector images with real full-color tracing, online or using the desktop app!
Gravit Designer - A cross-platform vector graphics tool, runs as desktop application and in-browser too.