Find the right Dexcom CGM System for you

​​​§ Smart devices sold separately.
Dexcom ONE+ CGM

Best for people with type 1 or type 2 diabetes who are looking for an easy CGM that's available on prescription.

  • Our smallest sensor to date
  • Dexcom Follow
  • Basic alerts for simplified diabetes management
  • Faster warm up - 30 minutes
£35 ex VAT†† (10 day sensor)
  • Buy Dexcom ONE+
Dexcom G6 CGM

Best for people with type 1 diabetes who may need extra support, such as people who are hypo unaware, pregnant or children, and those that want connectivity with insulin delivery systems and health or lifestyle apps.

  • Small sensor
  • Dexcom Follow
  • More alerts
  • Fast warm up - 2 hours
Connects with a range of insulin delivery systems and lifestyle apps
£51.25 ex VAT†† (10 day sensor)
Dexcom G7 CGM

Best for people with type 1 diabetes who may need extra support, such as people who are hypo unaware, pregnant or children, and those that want connectivity with insulin delivery systems and health or lifestyle apps.

  • Our smallest sensor to date
  • Dexcom Follow
  • Suite of alerts
  • Faster warm up - 30 minutes
  • Connects directly to Apple Watch**
Connects with Tandem t:slim X2 insulin pump and lifestyle apps
£51.25 ex VAT†† (10 day sensor)
 

Dexcom CGM System features at a glance

Dexcom ONE+
Dexcom G6
Dexcom G7
Duration
Up to 10-days
Up to 10-days
Up to 10-days
Sensor size
Smallest Dexcom sensor
(24mm x 27.3mm x 4.6mm)
Small sensor
(70mm x 40mm x 10mm)
Smallest Dexcom sensor
(24mm x 27.3mm x 4.6mm)
Sensor and Transmitter
All-in-one sensor and transmitter
Yes (separate sensor and transmitter)
All-in-one sensor and transmitter
Warm up time
30-minute warm up
2-hour warm up
30-minute warm up
Grace period
12-hour grace period
No
12-hour grace period
Water Resistance
Waterproof 2.4m - up to 24 hours
Water resistance 2.4m - up to 24 hours
Waterproof 2.4m - up to 24 hours
Alerts
Alerts
Alerts
Customisable sound and volume
Yes
Yes
Yes
High and Low Alerts
Yes
Yes
Yes
Urgent Low Alert
No
Yes
Yes
Delay 1st Alert
Yes
No
Yes
Silent Mode
No
No
Yes
Alert Schedule
No
Yes
Yes
Dexcom Apps
Dexcom Apps
Dexcom Apps
Follow App*
Yes
Yes
Yes
Clarity App
Yes
Yes
Yes
Connectivity
Connectivity
Connectivity
Dexcom Receiver§
Yes
Yes
Yes
Smartphone compatibility§
Yes (certain models of iOS and Android devices)
Yes (certain models of iOS and Android devices)
Yes (certain models of iOS and Android devices)
Smartwatch Compatibility**
Yes (certain models of Apple and Google watches)
Yes (certain models of Apple, Google and Garmin watches)
Yes (certain models of Apple, Google and Garmin watches)
Insulin Pump Integration
No
Yes (Tandem t:slim X2, mylife YpsoPump, Omnipod® 5 and more)
Yes (Tandem t:slim X2)
Health apps Integration
More info
​Yes
Yes
Yes
Sensor Placement
Sensor Placement
Sensor Placement
Wear Locations
Back of arm, abdomen and upper buttocks (children 2-6 years)
Back of arm, abdomen and upper buttocks (children 2-17 years)
Back of arm, abdomen and upper buttocks (children 2-6 years)
References:
* Internet connectivity required for data sharing. Following requires the use of the Dexcom Follow App on a compatible smart device. Followers should always confirm readings on the Dexcom CGM App or receiver before making treatment decisions.
** Compatible device required for CGM data on smartwatch when connected to a smartphone. Compatible smartphone is required to pair a new Dexcom G7 sensor with an Apple Watch. Dexcom G7 users must continuously have their smartphone within 6 meters to utilise the Share/Follow features. Apple Watch is not capable of Share/Follow.
† If you have diabetes, you can claim VAT relief.
‡ Internet connection required to send data to Dexcom Clarity.
§ Display devices sold separately. For a list of compatible smart devices, please visit
www.dexcom.com/compatibility.

MAT-3482

© 2024 Dexcom, Inc. All rights reserved.

GB flag

GB

Change region