Connect your CGM to Glynce Set up your glucose source once and it flows in automatically. The steps depend on which CGM you use. Connecting FreeStyle Libre (LibreLinkUp) Share from the Libre app to LibreLinkUp, then sign in to LibreLinkUp inside Glynce. Connecting Dexcom Sign in with your Dexcom account inside Glynce and grant permission to follow your readings. Connecting Abbott Lingo Abbott Lingo shares its readings through Apple Health. Turn on the Health connection and Glynce reads them from there. Connecting Eversense Sign in with your Eversense account so Glynce can follow your readings, with an Apple Health fallback if you prefer. Connecting Medtronic Sign in with your CareLink account so Glynce can follow your Medtronic readings. Connecting Medtrum Sign in with your Medtrum EasyView account so Glynce can follow your readings. Connecting through Apple Health If your sensor writes glucose into Apple Health, turn on the Glucose permission and Glynce reads it from there. Connecting Nightscout Point Glynce at your Nightscout site so your readings flow in from your own server. Adding glucose readings manually No CGM connected? Type in readings from a finger stick or meter and Glynce plots them for you. Why is my data delayed or missing? Cloud-based sources arrive a few minutes late, and gaps happen when the source stops uploading. Here is how to check.