Back to Shop home
Dexcom ONE - 30 day starter kit
If you're new to the Dexcom ONE Continuous Glucose Monitoring (CGM) System, this is the place to start.
Smartphone compatibility applies to this product.
View details


  • 1
    Dexcom ONE Sensor 3-Pack
  • 1
    Dexcom ONE Transmitter

Limit 1 per order

Dexcom account required

Our 30-day Starter Kit is available as a one-time offer for customers new to Dexcom. In it, you will receive everything you need to trial Dexcom ONE for up to 30 days.
This product is only compatible with other Dexcom ONE products and compatible smart devices.

How Dexcom ONE works

Person holding Dexcom one applicator and sensor on abdomen
A small discreet sensor measures glucose just beneath the skin.
Person applying Dexcom ONE sensor to abdomen
The transmitter sends a glucose readings every 5 minutes to your compatible smartphone°.
Person checking data on Dexcom ONE app
The Dexcom ONE app shows you where your glucose levels are, and where they are heading.

The 3 key features of Dexcom ONE

Person displaying phone with Dexcom app on the phone
Know your glucose levels with just a glance to your phone°.
Woman showing hands to camera
Diabetes management with zero fingersticks* or calibrations.
Boy sleeping in bed cuddling a green soft toy
Customisable high and low glucose alerts.
*If your glucose alerts and readings from the Dexcom ONE do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions
  • Learn more about Dexcom ONE
Two smartphones showing Dexcom ONE app glucose values in mmol and mgdl

Your Smartphone compatibility

In order to use to use the Dexcom ONE app, you first need to ensure that it your smartphone's model and operating system is compatible with our app.
Dexcom ONE sensor with box

You may also need

Dexcom ONE Sensors

The Dexcom ONE sensor continuously measures glucose levels just beneath the skin. Each sensor comes with an auto-applicator and can be worn up to 10 days.

Have questions about the Dexcom ONE CGM System?

  • Read FAQs
Please review the Dexcom ONE User Guide before using. Indications, contraindications, warnings, precautions and other important user information can be found in the product instructions included with the Dexcom ONE. Discuss with your healthcare professional how you should use the information displayed on Dexcom ONE to help manage your diabetes. The product instructions contain important information about troubleshooting and the performance characteristics of the system.
*If your glucose alerts and readings from the G6 do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions.
°For a list of compatible devices, visit

LBL021710 Rev001

LBL020897 Rev002

© 2024 Dexcom, Inc. All rights reserved.

EE flag