Dexcom ONE+ Single Sensor

The Dexcom ONE+ System uses a small, all-in-one sensor and transmitter that sends automatic glucose readings to a receiver or compatible smartphone. 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.

In stock · Limit 10 Per User

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 Smartphone Compatibility

For those whose smart device is not currently compatible with Dexcom ONE+, you can still start Dexcom ONE+ with the newly redesigned ONE+ receiver that is smaller, with a more vibrant, easier to read display

How Dexcom ONE+ works
Dexcom ONE+ 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).

Dexcom ONE+ transmitter image
2. All-in-one wearable sensor

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

Icon showing phone and watch
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.

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.

Download the Dexcom ONE+ app for iOS or Android

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Dexcom ONE+ subscription

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

You may also need
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.