Where do I get the Buoy app? Hilary Bryant September 26, 2019 21:27 Updated Follow You will find the free app by going to the App Store for iOS devices and Google Play for android devices and download it. or When it's paired with the Buoy device, the app is chock full of information about your water use. Related articles My Buoy app isn’t categorizing any data yet. Why? Does the Buoy have an Ethernet port if I don't have WiFi access near the Buoy? Comments 0 comments Please sign in to leave a comment.