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Select Device Freestyle Lingo Freestyle Libre 3 Freestyle Libre 2 Freestyle Libre 14 Day Dexcom G7 Dexcom G6 Dexcom Stelo Guardian Connect Medtronic Simplera Eversense Meter Omnipod Omnipod Dash Medtronic 780G Medtronic 630G Tandem t:slim X2 Bigfoot Unity Medtronic InPen Tempo Pen NovoPen 6/NovoPen Echo Insulin Pen Afrezza CeQur Simplicity Patch V-Go Patch Omnipod GO Patch Syringe and Vial Beta Bionics iLet Pancreas Control IQ with Dexcom Control IQ with Freestyle Libre Medtronic 780G with Smart Guard Omnipod 5 Tandem Mobi Tidepool Loop twiist DIY Loop Apple Series 6/7/8/9/10/SE (2nd Generation) Garmin vívosmart 5™ Garmin Venu Sq 2 Garmin Venu 3 Garmin vivoactive 5 Garmin Fenix 8 Garmin vivofit jr 3 Garmin Forerunner 165/265/965 Garmin epix (Gen 2) Garmin Enduro 3 Fitbit Ace LTE Fitbit Charge 6 Fitbit Inspire 3 Fitbit Versa/Versa 2/4/Versa Lite Fitbit Sense 2 Fitbit Luxe Google Pixel 2/3 Samsung Galaxy 4/5 Xiaomi Mi Band 9 Oura Ring Whoop 4.0 Withings ScanWatch 2 Withings ScanWatch Lite Pedometer 3D Pedometer
Summary
This sensor lasts for 10 days and only needs finger sticks as a backup. Dexcom G6 has 3 parts - sensor, transmitter, and receiver. Data can be viewed on a compatible mobile device or a separate receiver. Optional low and high blood sugar notifications are available for this system.
FDA approved for insertion on the abdomen (indicated for patients age 2 years and older) or the upper buttocks (ages 2-17 years).
MARD of 9%
The Medtronic Guardian Connect is a continuous glucose monitoring (CGM) system that provides real-time glucose data on a compatible smartphone. The system offers optional low and high blood sugar notifications and can be inserted on the abdomen or back of the upper arm.
MARD of 9.6%
Components
Dexcom G6 : Sensor
Sensor uses a thin, flexible filament inserted just under the skin to measure glucose levels every 5 minutes. Push-button applicator allows sensor to be placed on the body in one step.
Dexcom G6 : Transmitter
Sends readings from sensor to device, clips into sensor. Can be used for 90 days.
Dexcom G6 : Receiver
Receives data automatically from the transmitter. Can be substituted by compatible smartphone and smartwatch. Available for both iOS and Android devices.
Guardian Connect : Sensor
Sensor is inserted underneath the skin, either on the abdomen or arm. Push buttons applicator allows sensor to be placed on the body in one step.
Guardian Connect : Transmitter
Seashell-shaped with built-in Bluetooth capability that allows it to send glucose data directly to a smartphone every 5 minutes.
Guardian Connect : Receiver
Trends and alerts are viewed directly on a mobile device. Available for both iOS and Android devices.
Device Details
Overview
Small sensor can be worn in multiple areas.
One of the larger sensors, may be cumbersome to wear on some parts of the body under clothes.
Affordability and Access
$$$$
Widely covered. Provided by DME and/or Pharmacy. Price range; $0-$500/month.
$$$$
Sometimes covered. The costs vary depending on individual insurance coverage and how insurance classifies CGMs. Price range $0-$600/month.
Data Monitoring Options
Yes
Automatically and continuously sends data to the user’s Dexcom Clarity web-based cloud which is accessible by clinicians. Data upload is possible with Glooko and Tidepool data-management systems.
Yes
CGM data can be linked to a CareLink account and shared with the user's health care team.
Data View Options
Yes
Users must download the Dexcom G6 and Dexcom Clarity apps to view and share data. Both apps provide multiple data views, sharing options, and access through the clinician portal using a code from the user's device. Caregivers can use the Dexcom Follow app to view data. Glooko and Tidepool can also be used to view data.
Yes
The Guardian Connect mobile app allows users to view glucose levels, trends, create customizable alerts, and share blood glucose data with family and friends.
Duration and Storage
10 Days
Sensors last 10 days, and transmitters last 90 days. They are shipped 3 boxes at a time every 3 months – 9 sensors and 1 transmitter. Works at 50ºF – 108ºF
7 Days
Sensors last 7 days, and transmitter battery needs weekly charging and replacement once a year. Both can be stored between 36°F - 86°F.
Vision / Auditory / Dexterity
YES text to speech
YES vibration alerts
3 sound sources
A LOT of dexterity needed
YES text to speech
YES vibration alerts
A LOT of dexterity needed
Patient Considerations
Active Lifestyle
Water-resistant when submerged in 2.4 meters of water and must be within 20 (unobstructed) feet of the receiver or mobile device.
Waterproof transmitter when submerged in up to 2.5 meters of water for 30 minutes and must be within 20 feet of a connected mobile device.
Avoiding Highs and Lows
Custom alerts can be set for highs, lows, and rapidly rising or falling glucose levels. Trend arrows show the direction glucose is heading, with the rate of change.
Measures sensor glucose 24/7 and sends alerts when a high or low is detected. Trend arrows show the direction glucose is heading, with the rate of change.
Comfort
Low profile and low maintenance sensor application.
More tape is needed for Medtronic sensors.
Easy Insulin Dosing
Real-time data and alerts make dose adjustment easier.
Sensor trends can be used for dose adjustment.
Easy to Use
Flexible pump integration. Can be paired with multiple different types of pumps which gives flexibility for how to use the data.
Rechargeable sensor transmitter but has the most steps to change sensor.
Fewer Fingersticks
Factory-calibrated sensor. Finger sticks needed for backup only.
2 daily finger-sticks are needed to calibrate the sensor.
Privacy
Hypoglycemia safety alarm. Discreet but built-in hypoglycemia safety alarm alerts users when glucose is below 55 mg/dl and is always on.
Somewhat discreet. Ability to see sugar on watch or phone. Sensor requires regular meter use.