I think the usual approach with these 'sprint' methodologies is to use software like InVision, Figma, etc. to mock-up a prototype. No sense coding before you've

I think the usual approach with these 'sprint' methodologies is to use software like InVision, Figma, etc. to mock-up a prototype. No sense coding before you've got proof positive that users will care, the thinking goes. See: http://www.gv.com/sprint/ http://www.gv.com/sprint/