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Dexcom ONE+ Single Sensor – 10 days
The Dexcom ONE+ System uses a small, all-in-one sensor and transmitter that sends automatic glucose readings to a receiver or compatible smartphone.
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Limit 10 per order

Dexcom account required

The sensor comes in the applicator and is inserted with the touch of a button. Once in position, it can be worn for up to 10 days.
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Dexcom ONE+ is already compatible with the latest Apple iPhones, many popular Android devices, and our teams are working hard to continue to expand smartphone compatibility as quickly as possible. Please confirm that your smart device is compatible with Dexcom ONE+ prior to ordering at
For those whose smart device is not currently compatible with Dexcom ONE+, you can still start with the newly redesigned Dexcom ONE+ receiver that is smaller, with a more vibrant, easier to read display.

How Dexcom ONE+ works

Fast and easy to use applicator

1. Fast and easy to use applicator

The applicator inserts the built-in sensor just beneath the skin. It can be worn on your arm, abdomen or upper buttocks (children ages 2-6).
All-in-one wearable sensor

2. All-in-one wearable sensor

The sensor provides automatic glucose readings up to every 5 minutes without finger pricks*. It may be worn for up to 10 days, plus a 12-hour grace period at the end.
Display Device

3. Display Device

With Dexcom ONE+, you have the option to view your glucose data on a compatible smartphone and/or smartwatch.†,‡
† Smart devices sold separately.
Dexcom ONE+ app

Your Smartphone compatibility

In order to use the Dexcom ONE+ app, you first need to ensure that your smartphone's model and operating system is compatible with our app.
Dexcom ONE+ subscription delivery

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Dexcom ONE+ subscription

Get all your Dexcom ONE+ supplies delivered to your door, with automated payments and shipments. An easy way to enjoy the full-time wear of Dexcom ONE+, while making the best savings!
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Dexcom ONE+ Receiver

You may be also need the:

Dexcom ONE+ Receiver

The optional receiver is a compatible display device that shows Dexcom ONE+ glucose readings. The easy-to-use receiver is small, lightweight, and convenient to keep with you.

Have questions about the Dexcom ONE+ CGM System?

* If glucose alerts and readings from Dexcom ONE+ do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions.
† Display devices sold separately. For a list of compatible smart devices, please visit
‡ Watch can only be used in conjunction with a compatible smartphone which needs to be kept within 6 metres to receive CGM readings.


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