Track and send your VPro usage with Propel Orthodontic’s VPro app. The VPro is the leading high frequency vibration device for orthodontic use from active treatment through retention. It comes in a convenient compact travel case, can be charged wirelessly and is water resistant. The app provides an easy way to track and view your weekly and monthly VPro use. With the app, you can choose to share your 1, 3, or 6 month usage history as an email attachment.