Utilizing a set of isometric smart devices for showcasing UI graphics would be the best available method. Be sure to be in style; this iPhone mockup gives the observers the impression of looking at actual models.
A perspective view of a grid of iPhone X is presented in today’s mockup. The surface of all the devices is viewable, where you can add your designs of all types, especially UI ones. To insert your graphics on a neat and clean scene, make use of today’s freebie. Have fun.