What are some alternatives?
When comparing GIMPshop and Affinity Photo, you can also consider the following products
Krita - Krita is a professional FREE and open source painting program. It is made by artists that want to seaffordable art tools for everyone. Concept art. texture and matte painters, illustrations and comics.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
GIMP - GIMP is a multiplatform photo manipulation tool.
Paint.NET - Paint.NET is a free image and photo editing software.
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.
MyPaint - MyPaint is a fast, distraction-free, and easy painting tool for digital artists.