Vívofit jr is a stylish, swim-friendly activity tracker that encourages your kids to stay on the move. While the Junior will love the compatible app for its fun mobile adventure trail they can unlock, you can control the app and use it to monitor your kiddos’ steps and active minutes, assign chores and even hand out virtual rewards. You can control it all from your mobile device also. Free parent-controlled app5 includes fun and educational mobile adventures for kids and chore/behavior management for parents. Get Free Delivery & easy Return in the UK.