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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
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%
The Tandem t:slim X2 is rechargeable, has a touch screen, and can be updated on a home computer.
*Control IQ+ Technology now available for ages 2+
Components
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.
Tandem t:slim X2 : Pump
Touch screen pump connects tubing to a small patch called an infusion set that attaches to the body.
Tandem t:slim X2 : Cartridge
Tubed insulin pumps contain a plastic reservoir that is manually filled with insulin and locked into the pump.
Tandem t:slim X2 : Infusion Set
An infusion set contains the thin plastic tubing that delivers insulin from the pump to the body.
Tandem t:slim X2 : Controller
Compatible smartphone can be used to view and control insulin delivery using the t:connect app.
Device Details
Overview
One of the larger sensors, may be cumbersome to wear on some parts of the body under clothes.
Smallest tubed pump. Modern interface resembles a smartphone but tubing may be visible.
Affordability and Access
$$$$
Sometimes covered. The costs vary depending on individual insurance coverage and how insurance classifies CGMs. Price range $0-$600/month.
$$$$
Widely covered for insulin-dependent type 1 and 2. Supplies and pump provided by DME. Price range; $0-$4000 to start and $0-$300/Month.
Data Monitoring Options
Yes
CGM data can be linked to a CareLink account and shared with the user's health care team.
Yes
Tandem t:slim mobile app wirelessly uploads cloud-based Tandem Source web application delivering access to recent patient data.
Data View Options
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.
Yes
Data is viewed on the pump's main screen and/or on a smartphone with the Tandem t:slim mobile app (available for both iOS and Android devices).
Duration and Storage
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.
3 Days
Pump can be worn for up to 72 hours and works between 40°F - 99°F
Vision / Auditory / Dexterity
YES text to speech
YES vibration alerts
A LOT of dexterity needed
NO text to speech
YES vibration alerts
A LOT of dexterity needed
Patient Considerations
Active Lifestyle
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.
Exercise mode. Optional settings for exercise to adjust treatment ranges for activity with the press of a button. Pump is not waterproof.
Avoiding Highs and Lows
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.
Precise dosing. Pumps allow different amounts of basal insulin at different times of day and very precise dosing.
Comfort
More tape is needed for Medtronic sensors.
Smallest tubed pump. Small patch called an infusion set consists of a complete tubing system that attaches to the body. Tubed pumps have the most infusion sets to pick from.
Easy Insulin Dosing
Sensor trends can be used for dose adjustment.
Customizable dosing. Bolus calculator available to help figure out doses. Offers smallest increments of basal insulin delivery. Basal in 0.001 increments, bolus in 0.01 increments.
Easy to Use
Rechargeable sensor transmitter but has the most steps to change sensor.
Rechargeable. Pump has a touch screen display and rechargeable battery.
Fewer Fingersticks
2 daily finger-sticks are needed to calibrate the sensor.
Frequent finger-sticks are required.
Privacy
Somewhat discreet. Ability to see sugar on watch or phone. Sensor requires regular meter use.
Discreet. Smallest tubed pump with visible tubing. Ability to bolus directly on a compatible smartphone. Can be clipped to clothing or placed in a pocket to be discreet when needed. Touchscreen of pump looks like normal tech device.