The FreeStyle LibreLink app is designed to be used by people with diabetes to carry out routine glucose monitoring using a smartphone and a FreeStyle Libre 2 Plus sensor . The LibreLinkUp app is designed to be used by family, friends, and caregivers. The app enables them to receive glucose data or glucose alarms on their smartphone. The LibreLinkUp app cannot be used to scan FreeStyle Libre 2 Plus sensors.