Do I need the Crossrope system to use the app? Follow Sydney M April 29, 2019 14:45 Updated No, you do not need the Crossrope system to use the app, but we do highly recommend using Crossrope jump ropes for the best experience. Related articles What is the Crossrope app? What are the main features of the app? Jump Rope Sizing How do I download the app? What is the Jump Rope Fitness Community? Comments 0 comments Article is closed for comments.