A new version of the Dexcom ONE app will be released soon. After the update, your low and high alert settings will be reset. Click here for more information

Dexcom ONE Mobile App

How can I update to the latest version of the app once this is available?

Last Updated · March 18, 2022
  1. Open the app store
  2. Look for ‘Dexcom ONE’
  3. Click ‘update’

5-step learning journey

Discover education resources, organised in a 5-step journey, to learn key information about your Dexcom ONE CGM system, from getting started, your first 10 days, to using Dexcom ONE in the long run.

Step 1: The basics of CGM
Step 2: Getting started
Step 3: Your first 10 days
Step 4: Using Dexcom ONE in the long run
Step 5: Understand your Diabetes trends