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Top FAQs

  • Remotely monitor a Dexcom CGM user’s glucose with the Dexcom Follow app. Once a Sharer’s invitation is accepted, the Follower can see:

    • Sharer’s glucose reading
    • Sharer’s trend arrow showing their glucose speed and direction
    • Glucose notifications of changes, like a Low or High

    Both the Sharer’s and Follower’s smart devices must have a mobile data connection or Wi-Fi. For a list of smart devices compatible with Dexcom apps, see

  • Check  Dexcom’s compatibility chart before updating your smart device or mobile operating system (OS). Dexcom tests its apps for compatibility on new OS versions after they’re released.

  • Follow up to ten (10) Sharers with Dexcom Follow.*

    * Follow version 4.0 and up allows up to ten (10) followers. Earlier versions allow up to five (5) followers.

  • Allow notifications from Follow in your smart device settings.

    1. Go to your smart device settings.

    2. Go to notifications

    3. Find Follow in the app list and turn on notifications.

    Don’t miss notifications. Allow notifications to show on your lock screen. Keep your volume loud. 

  • If you’re changing your smart device, install the Dexcom Follow app on your new device. Your Sharer must remove you from their Followers, then invite you again.

  • No, your smart device must have sound enabled to receive notification sounds.

  • Yes, you get Follow notifications when the app is closed.

  • To see the last 24 hours of Sharer’s glucose readings:

    • All Follow version users can tap the 24 hour button on your Sharer’s page
    • Follow version 4.0 and up users may also turn the smart device sideways to see more detailed data. Tap graph for more details. Your smart device must allow screen rotation.
  • The latest Follow release contains important updates to the app that improve user experience and enable Dexcom to better serve its customers.

  • There are several reasons you may not receive expected notifications. In your Follow app:

    • Check your Sharer’s glucose notifications. Turn on the ones you want.
    • Check each notification’s delay setting. If a delay is set, you’re only notified if the condition lasts longer than the delay.
    • Check your Sharer’s status. If you see No Data, Disconnected, Not Sharing, or Removed by Sharer you won’t receive notifications. Ask your Sharer if you have questions.

    Other issues:

    • Check that you have an Internet connection.
    • Open settings, then notifications.
    • Find Follow in the app list and turn on notifications.
    • Dexcom’s server may be down.

    If you continue to experience issues, contact your local Dexcom representative.

  • Visit Dexcom compatibility to determine if your device is compatible.


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