I use Dropbox on my computer to backup my work files which include my 3D renders that consist in a png sequence (one image per frame at 30 or 60fps), so I have thousands of png images related to renders but dropbox automatically adds them to the camera uploads in my phone app which is extremely annoying because I need to scroll down thousands of images to see my actual photos... if I delete them it deletes my render backup as well, it does the same thing for textures, which makes my photo roll unusable.