Always know your glucose number and where it’s heading with the Dexcom G6 and G6 Pro Continuous Glucose Monitoring (CGM) Systems –indicated 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 or G6 Pro CGM Systems.

With Dexcom G6 and G6 Pro CGM Systems, 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 and G6 Pro provide real-time glucose readings for patients with type 1 or type 2 diabetes every five minutes. Dexcom G6 and G6 Pro are indicated for children, age 2 years and older.

The Dexcom G6 and G6 Pro Systems provide personalized trend alerts on your smart device and let 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, you’ll receive other valuable features:
• Share** your glucose data with up to ten 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 allows you to view your glucose data on the lock screen of your smart device
• Add a shortcut to Siri to run by asking Siri to read your current glucose value, using a custom phrase
• A Dexcom CLARITY link on the landscape trend graph lets you easily transition to the CLARITY App to view more information on your glucose trends

**Not available on Dexcom G6 Pro CGM System

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 and G6 Pro 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 or

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.

Dexcom is a registered trademark in the US.

What’s New

Version 1.6.3

Performance enhancements and bug fixes

Ratings and Reviews

3.1 out of 5
2.3K Ratings

2.3K 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!

TheOfficialZamics ,

Does what it’s supposed to do. Barely

But to be honest, a lot of options just aren’t there. Not a lot of information is available, the graph is hard to read as there are no lines except for going into a low blood sugar, the alerts don’t really work (you can set it to remind tell you that you have a high blood sugar every 30, 40 minutes, but no matter what you set it to, it still just alerts you every darn time it reads a high blood sugar), and the Apple Watch connectivity is so slow and erratic that you should not pick up and Apple Watch just for this system, as I did. It’s supposed to tell you if you’re blood sugar is going up or down, but they don’t seem to realize insulin takes 3 hours (on average for most people) to be fully used. When my blood sugar that’s going down 3 or 4 per 5 minutes, as expected, it apparently doesn’t read that as enough of a decrease to note it. I haven’t really been able to tell what exactly it needs to register a steady increase or decrease, let alone a fast drop/rise. So I can’t really rely on that feature that well either.

So right now I’m paying a lot of money to check my phone to see my blood sugar, which is fine, still better than pricking, but considering the fancy app and all the promised features, , the cost of the whole system (recyclable/reusable sensor placers please?) and that my relatively ancient medical systems have far more user functionality and data without touch screens, the app NEEDS to get a overhaul.

Developer Response ,

We'd like to follow up with you. If you'd like a member of our Team to reach out, please submit a request through our Self-Service Patient Support Portal located at: Thanks!

Stu415620 ,

Loses connection too frequently

I’ve only been using this app for a few days now, and it seems to lose connection with my transmitter. I keep my phone on or close to me almost always and I have lost connection with the transmitter. It’s happened the past two nights while I was sleeping for 4 1/2 hours (phone was next to the bed charging), and in the middle of the day (it’s been going on 20 minutes now) and there’s no rhyme or reason as to why this is happening. Also I don’t get notifications on my phone when this happens (even with my notifications on with the sound on).
(I’m using a G6 unit with the IPhone XR iOS 13.2.3 if that makes a difference as to my set up with both my phone and Apple Watch up to date on the software). If these keeps up, I’ll probably edit my review to something lower, and delete the app. We’ll see how this is going in a week. I’m hoping they fix the issues with the app being used with this most recent update of iOS.

Edit: (15 days later). Good luck with this app. Still junk. I’ve tried contacting customer support and they don’t know their heads from their elbows. And when I have spoken to someone the first person made it clear updating the app to work with the newer iOS is not a priority but the G7 is then blew me off, and the second person couldn’t figure anything out if it wasn’t on their script to follow to help a person out.
Save yourself some time. Don’t use a Dexcom product, and sure as hell don’t waste your time with this app.


DexCom, Inc.
72.5 MB

Requires iOS 11.0 and watchOS 4.0 or later. Compatible with iPhone and iPod touch.



Age Rating


  • Family Sharing

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

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