O'Dive has created the sensor for you. Just download the O'Dive app and connect your sensor to get started taking measurements. The O'Dive is setup to grow with you as a diver. You can purchase one version of the software and upgrade as your diving progresses. With 5 levels of O'Dive there will be one that meets your needs! The O'Dive app is divided into 5 versions, offering different functionalities depending on the level of the diver. Upgrading is easy to do. By scanning a QR code card you can unlock any version to get the functionalities