What are some alternatives?
When comparing Affinity Designer and Inkscape, you can also consider the following products
Sketch - Professional digital design for Mac.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Adobe Illustrator - Adobe Illustrator is a vector graphics editor.
Adobe InDesign - Adobe InDesign is a desktop publishing software application.
GIMP - GIMP is a multiplatform photo manipulation tool.
Adobe Illustrator CC - Adobe Illustrator CC is a commercial vector graphics editor.