Dexcom ONE vVARY

Dexcom

About this app

Developer Description

Continuous Glucose Monitoring System

Monitoring your glucose level has never been simpler with the Dexcom ONE Continuous Glucose Monitoring System and mobile app.

Dexcom ONE Continuous Glucose Monitoring System provides the user the ability to:
- Know their glucose level with just a glance at a compatible smartphone†
- Set optional and customizable high and low alerts
- Use a discreet, simple and convenient device
- Access glucose summary reports
- Plus, zero fingersticks* or calibrations
Plus, Health app access so you can share retrospective glucose data with third party apps.

Before you start making treatment decisions with Dexcom ONE, work with your healthcare provider to learn how.

Learn more at dexcom.com
This app is for use with the Dexcom ONE Continuous Glucose Monitoring System

*If your glucose alerts and readings from the Dexcom ONE do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions
†For a list of compatible devices, visit www.dexcom.com/compatibility

Version Information

Version: -
Downloads: 100K+
Updated on: -
Released: Feb 4, 2026
Requires: Android Varies with device

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Dexcom ONE users say on Google Play

★★★★★

Daud Hafiz

wicked

★★★★

Natty Tempest

I have found dexcom to be an improvement on Freestyle Libre. the fact this app does not allow for any input like food or insulin, while still being superior says a lot. sadly, there are times when the alarms don't seem to play and I can't seem to find out why.

★★★

Ian Nuttall

***** update***** Can you please sort out the android 15 version as now been 5 months having to use 2 phones to be able to have access to the app! . . . . Overall had a great experience with the app, only ever had 1 crash when I first used the app and device and no issues since. would have 5 stars if it would work with my new phone but for now I have to keep my old phone with me until dexcom have tested it for my new device.. last time it took around 8 weeks after release so should be soon.

★★

Graham Style

Starting to get more and more issues with the app and notifications. Lose signal/connection at least once a day now. It is infuriating the number of notifications when the sensor has expired and when you are out of range. Actually to distracting to deal with but goes mad when you turn off notifications. I know it's expired and high from the first notification. The app is inconsistent in it's notifications as well, sometimes I have extreme highs and have no notification at all on the way up.

★

Sam Butt (Sam)

Just got my 10 day trial packed delivered and the instructions were to install this app and follow instructions. I have setup a username and password and the app doesn't recognise it. It keeps logging me out. Further I have downloaded the clarity app and the login details work perfectly fine on there. I have been using Libre before this and never had any issues with it. What a waste of time. 😔