Do it on your iPhone: PhotoForge
So, I’ll bet you didn’t know you could do layers on your iPhone. Yes, it’s true! PhotoForge is a leading app that has a full implementation of layering on your iPhone. This app allows you to create a layer stack, manipulate opacity and blending modes, create layer masks, and paint on both layers and layer masks—in short, everything you need to use post-production creatively, starting with photos from your iPhone camera as the source material and using your iPhone to do the actual post-production ...
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