What is the Crossrope app? Follow Sydney M April 29, 2019 14:45 Updated The Crossrope app is a free and convenient app for smart devices with workouts and challenges with your jump ropes. You can find it available for download HERE. Related articles What are the main features of the app? How do I download the app? Jump Rope Sizing Do I need the Crossrope system to use the app? Shipping Comments 0 comments Article is closed for comments.