What are some alternatives?
When comparing DrawPad and Sketch, you can also consider the following products
CorelDRAW - CorelDraw is a world’s most leading Graphic Design Software solution created by Corel Corporations.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Adobe Illustrator - Adobe Illustrator is a vector graphics editor.
Affinity Designer - Professional creative software, exclusively for Mac.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
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!