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CGM Data App - Introduction

The CGM Data App allows you to display continuous glucose monitoring (CGM) data directly on your Garmin watchface. This integration provides real-time glucose readings, trend arrows, and historical data right on your wrist.

⚠️ Important Disclaimer

  • NOT FOR MEDICAL DECISIONS: This app is for informational purposes only and should NOT be used to make medical decisions.
  • Always verify readings: Confirm glucose values with your official Dexcom receiver or app before taking action.
  • Emergency situations: In case of extreme glucose levels or medical emergencies, use your primary CGM device.
  • Delayed data: Readings may be delayed by several minutes due to how often the app can sync.
  • No liability: The developer assumes no responsibility for health outcomes related to the use of this app.
  • Not affiliated: This app is not approved by, endorsed by, or affiliated with Dexcom, Abbott (Libre), or any other medical device company.

Supported CGM Systems

Dexcom:

  • Dexcom G6 - Full support via Dexcom Share
  • Dexcom G7 - Full support via Dexcom Share
  • Dexcom Stelo - Not supported (doesn't work with Dexcom Share)

Nightscout:

  • Self-hosted Nightscout - Full support for any Nightscout instance (Heroku, Fly.io, Railway, etc.)
  • Works with any CGM system that uploads to Nightscout (Dexcom, Libre, Medtronic, etc.)
  • Supports both public sites and token-based authentication
  • See the Nightscout setup guide for configuration instructions

Libre / Abbott:

  • Libre 1 - Full support via LibreLinkUp
  • Libre 2 - Full support via LibreLinkUp
  • Libre 3 - Full support via LibreLinkUp
  • See the LibreLinkUp setup guide for configuration instructions

xDrip+, AAPS & Spike:

  • xDrip+ - Full support for Android users
  • AndroidAPS (AAPS) - Full support for Android users
  • Spike - Full support for iOS users
  • See the xDrip+/AAPS/Spike setup guide for configuration instructions

Note: Let me know about any other CGM systems you might be using, and I can add support for them.

💡 Tip: If you encounter any issues, check the Error Codes page or browse the FAQ for common questions and solutions.