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Dexcom CGM Explained

Dexcom G7 app walk-through


Jan. 22, 20255 min read

Dexcom G7 App showing continuous glucose monitoring readings on smart phone
Like many people living with diabetes, you may want to use a Continuous Glucose Monitoring (CGM) system for easier diabetes management. That’s why the Dexcom G7 CGM System is available for people with type 1 or type 2 diabetes and features a completely redesigned app. The app* works seamlessly with the Dexcom G7 Continuous Glucose Monitor (CGM), the most accurate CGM1 available, for an overall easier experience in managing your diabetes.
The Dexcom G7 app, available for both iOS and Android, continuously communicates with the Dexcom G7 sensor so you can see your glucose numbers right on your Apple or Android smart phone or smart watch* in real time. This allows you to keep your lifestyle while staying confident that you’re keeping track of your glucose numbers.
Let’s dig deeper into why the Dexcom G7 app is such a powerfully simple way to monitor your glucose numbers.



Want to learn how to customize your alerts to work for you? How to customize Dexcom G7 alerts.



Get started on Dexcom G7

Click here to learn more about Dexcom G7. You can also start your journey with Dexcom by clicking the button below:
Have questions on how to set up and use the Dexcom G7 CGM app? Visit our Help Center. Learn more about all Dexcom CGM apps available here.
  • Get Started

*Smart device sold separately. To view a list of compatible devices, visit dexcom.com/compatibility.
†Bluetooth connection required to sync smart device with G7 sensor.
§ Fingersticks required for diabetes treatment decisions if symptoms or expectations do not match readings. 
‡ Separate Follow app and internet connection required. Users should always confirm readings on the Dexcom CGM System app or receiver before making treatment decisions.
|| Compatible smartphone is required to pair a new Dexcom G7 sensor with a compatible Apple Watch. To use Share/Follow the smartphone must be within 33 feet of the Dexcom G7.
1 Dexcom, Data on File, 2023 2 Puhr S, et al. Diabetes Technol Ther. 2019;21(4):155-8. 3 van der Linden J, et al. J Diabetes Sci Technol. 2023;17(2):600-1. 4 Welsh JB, et al. J Diabetes Sci Technol. 2024;18(1):143-7. 5 Dexcom, Data on File, 2024
BRIEF SAFETY STATEMENT: Failure to use the Dexcom Continuous Glucose Monitoring System and its components according to the instructions for use provided with your device and available at https://www.dexcom.com/safety-information and to properly consider all indications, contraindications, warnings, precautions, and cautions in those instructions for use may result in you missing a severe hypoglycemia (low blood glucose) or hyperglycemia (high blood glucose) occurrence and/or making a treatment decision that may result in injury. If your glucose alerts and readings from the Dexcom CGM do not match symptoms, use a blood glucose meter to make diabetes treatment decisions. Seek medical advice and attention when appropriate, including for any medical emergency. Dexcom, Dexcom Follow, Dexcom Clarity, and Dexcom Share are registered trademarks of Dexcom, Inc. in the U.S., and may be registered in other countries. ©2024 Dexcom, Inc. All rights reserved.
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