Always know your glucose number and where it’s heading with the Dexcom G6™ Continuous Glucose Monitoring (CGM) System – FDA-cleared for diabetes treatment decisions with zero fingersticks and no calibration.*

*Fingersticks required for diabetes management decisions if symptoms do not match readings.

Only use this app if you have the Dexcom G6 CGM System.
With Dexcom G6, always know your glucose number with just a quick glance at your compatible smartphone or smartwatch. For a list of compatible devices visit Dexcom G6 provides real-time glucose readings for patients with type 1 or type 2 diabetes every five minutes. Dexcom G6 is FDA-cleared for children age 2 and older.

The Dexcom G6 System provides personalized trend alerts right on your smart device and lets you see when your glucose levels are going too low, or too high, so you can better manage your diabetes. The Alert Schedule feature lets you schedule and customize a second set of alerts. For example, you can set the schedule to match your work hours and have different alert settings during the rest of the day. Custom alert sounds are available, including a Vibrate-Only option on the phone for glucose alerts other than the Urgent Low Alarm.

The Always Sound setting allows you to receive certain Dexcom CGM Alerts even if your phone sound is off, set to vibrate, or in Do Not Disturb mode. This will allow you to silence calls or texts but still receive audible CGM Alerts, including Low and High Glucose alert, Urgent Low Soon Alert, Urgent Low Alarm, and Rise and Fall Rate alerts. Please note that when your phone is set to Silent or Do Not Disturb, you will not receive any audible alerts for Signal Loss. Always Sound is on by default. A Home screen icon shows you if your Alerts will sound or not. For safety, three alerts cannot be silenced: Urgent Low Alarm, Transmitter Failure, and Sensor Failure.

In addition to the accurate performance provided by the Dexcom Sensor, you’ll receive other valuable features:

• Share your glucose data with up to five followers in real time. Followers can monitor your glucose data and trends in real time on their compatible smart device with the Dexcom Follow app. Share and Follow functions require an internet connection.
• Health app access so you can share retrospective glucose data with third party apps
• Today View widget, which allows you to view your glucose data on the lock screen of your smart device

Apple Watch
View your glucose information, trend graph, and alerts and alarms right from your wrist with the Dexcom G6 Apple Watch app. Watches require compatible smart device to use app.

• Use the digital crown to scroll through 1, 3, or 6 hours of glucose trend data
• Dexcom G6 watch face complications allow you to view your glucose number and arrow from your watch face
• Add the Dexcom G6 app to the Dock and enable background refresh for best performance

Customer Reviews
This app store should not be used as your first point of contact to resolve technical or customer services issues. In order to protect your privacy and personal information, and promptly resolve any technical or customer services issues you are having with any Dexcom product, please contact 1-888-738-3646.

Dexcom is required to follow up with customers regarding product-related complaints. If Dexcom determines that your comment/complaint requires follow up, a technical support representative will attempt to contact you to gather more information regarding your comment/complaint.

What’s New

Version 1.2.6

Performance enhancements and bug fixes.

Ratings and Reviews

2.8 out of 5
472 Ratings
472 Ratings
xmasmoneky ,

Works great + great support. Needs updated watch complications.

Downloaded the app after getting an Apple Watch - love it. Haven’t had any issues with signal loss myself (iPhone X, almost always near me). I am using the watch complication with the older Apple Watxh face (Modular), but like everyone else here would love to see an update supporting some of the newer Apple Watch faces (e.g. Infograph Modular). Sometimes the numbers don’t update on my complication (I see “- - -“) but this is an Apple Watch issue, not Dexcom. Tapping it opens the Dexcom app and fixes the issue. Keep the Dexcom Apple Watch app running in the dock, and keep the Dexcom app on the phone running in the background to minimize this from happening.

But the most impressive for me was Dexcom support. I contacted the email address Dexcom keeps posting in replies to other reviews, and got a personal call back on my phone from a knowledgeable tech support rep. I thought my Dexcom app was ignoring my high alert repeat settings - but turns out dismissing high alerts on the watch is not the same as dismissing them in the Dexcom iPhone app. I now dismiss alerts in the Dexcom phone app and my alert repeat settings are honored. Again - was an Apple issue, not a Dexcom app issue.

Thanks Dexcom for innovating! While the app can always be improved - you all push the boundaries more than other CGMS providers when it comes to innovating within the constraints of the FDA approval process.

Developer Response ,

Thank you, xmasmoneky. We appreciate your review. If you'd like a member of our Team to reach out, please send your contact information along with your app store username and review to, and we will be in touch directly. Thank you!

Reliable expectations ,

Great innovation. Does need an important update

I've had a Dexcom for several years now, and truly think thay are amazing. These devices really are life savers and have saved me from going into dangerous lows more times than I can count. I am very very active and because of this see my blood sugar rapidly fall frequently. I try to take all the steps to minimize the lows from occurring with activity But it is still happens frequently with my high activity level. The biggest downfall to the G6 for me is the lack of functionality with the Apple Watch. With my old G5 I could set up as a compilation on the watch face so with a glance I could see my levels. The new G6 is not available as a complication on any watch face and it really drives me insane. It's a strange thing to complain about, because I could easily pull out my phone and look, or carry the receiver; but I had gotten used to it always being on my watch as a g5 user. So the transition to the g6 not working with the Apple Watch as a complication has been frustrating. Other than that, I think it's amazing. The only other issue I have had numerous times is when it's time to change the sensor, I have had 3 or 4 sensors error out on warm up saying no restarts allowed. (They were new sensors). Dexcom has replaced these, but it's a pain when it happens.

Developer Response ,

We'd like to follow up with you. If you'd like a member of our Team to reach out, please send your contact information along with your app store username and review to, and we will be in touch directly. Thank you!

Scoultrane1978 ,

Basic, but solid

The G6 sensors and system have been a great upgrade from the G5. They seem to be more accurate, I like the slimmer design, the 10-day wear is nice, and not having my to calibrate every 12 hours is wonderful! I did have some signal loss issues at first, but these were partially resolved by asking phone to forget Bluetooth devices I'm not using. It seems the smaller you can make the Bluetooth list, the better. However, I also use both the receiver and phone for double coverage and it is true that the receiver almost never drops signal while the phone occasionally will. It is what it is - Bluetooth is a bit of a flawed protocol, but it's what we've established as the go-to so it's what gets used.
As for the app itself, it's solid but some improvements could be useful. In particular, more detailed events and the ability to enter multiple TYPES of insulin. I'm still on MDI - pumps simply won't work for me thanks to year's of scar tissue build up. I REALLY wish I could specify that a shot is short acting or long acting!!
Overall, Dexcom has been a game-changer for my Diabetic life, and while it might occasionally have some glitches, no device like this will ever be perfect 100% of the time. Overall I am very happy!

Developer Response ,

Thank you, we appreciate your review. We'd like to follow up with you. If you'd like a member of our Team to reach out, please send your contact information along with your app store username and review to, and we will be in touch directly. Thank you!


DexCom, Inc.
72.4 MB

Requires iOS 10.3 or later. Compatible with iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XS, iPhone XS Max, iPhone XR, and iPod touch.



Age Rating
Rated 4+
© 2018 Dexcom, Inc


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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