I think you’d be very pleased to know that on Sketch beta currently they’ve added support for auto layout type features similar to Xcode which tell the design how to change depending on the data and the size of the screen.

You can read that article here. https://medium.com/bpxl-craft/exploring-group-resizing-in-sketch-3-9-e372d6635a54#.gx9dd0ekv