Using layer masks in Affinity Photo is a powerful way to combine parts of several images into a single image or to limit the effect of adjustment layers and filters to only affect part of your image. Layer masks are nondestructive. This means that you can modify them at any stage of your post-processing workflow.
In this article, we will dig into the which advanced photo editor, you should choose: Photoshop vs Affinity Photo. It is not a direct head to head comparing of the two applications though. We will look more on what you would miss if you were to switch from Photoshop to Affinity Photo. I think this is where most photographers are. Can we manage with having “just” Affinity Photo, and not Photoshop?