The New Dexcom ONE+

The Dexcom ONE+ is our newest Continuous Glucose Monitoring system that is smaller, faster and even easier to use.†,§,1

grandfather with dexcom OnePlus device and grandchild hugging

A Smarter,Easier‡,§,1 and more Effective‡,||,2-4 way to manage your diabetes

Our most accurate sensor5

Dexcom ONE+ is our most accurate CGM system yet.5 Sending 24/7 real-time glucose readings to your compatible smartphone or receiver,# it automatically alerts you when your glucose levels fall out of your pre-set range. No finger pricking.* No scanning ever.


* Finger pricks required for diabetes treatment decisions if symptoms or expectations do not match readings.

Tailor it to your lifestyle

Dexcom ONE+ comes with more customisable alerts – you can even tailor your device further to your needs by enabling our unique Delay 1st High alert, which allows you to adapt your alerts to your meal and insulin schedule. It also connects with a selection of health apps for seamless diabetes management.**,††

The most discreet sensor in South Africa6,7

It is easy to forget you are wearing Dexcom ONE+.‡‡,§§ Our smallest wearable is the only CGM that can be worn in up to three locations.|| || A 12-hour grace period at the end of each sensor session provides even more convenience when changing sensors.

Seamless connectivity at your fingertips

Our sensor seamlessly connects to a Dexcom receiver or an all-in-one mobile app, giving you the flexibility to view real-time glucose readings while accessing long-term glucose trends.

Better insights for better diabetes management

The Dexcom ONE+ app comes with Event Entry, so you can log your food intake, exercise sessions and insulin dosing, which can lead to a better understanding of your glucose patterns.¶ ¶,6 The app comes with a Share feature, which allows you to invite up to 10 family and friends to monitor your glucose patterns remotely, affording you and your circle of support greater peace of mind.##

Proven outcomes to improve your quality of life

Real-Time CGM, such as Dexcom ONE+, is proven to improve quality of life by reducing hypoglycaemic and hyperglycaemic events, lowering HbA1c and improving Time in Range.||,***,2-4

Meet the Dexcom ONE+

All-in-one wearable glucose sensor:
• 60% smaller,†,5 our smallest wearable.5
• Measures glucose levels just under the skin.
• Sends glucose numbers to your compatible smartphone or receiver.#
• Can be used for up to 10 days with an additional 12-hour grace period.
• Factory calibrated. Optional calibration for added flexibility.6
• The only waterproof CGM sensor in the market.†††,6

Smartphone app:
• Easy to use smartphone app so you can conveniently access your glucose readings.
• Allows you to adjust the settings of your CGM to fit your lifestyle.
• Connect with health apps, like Glooko, for more seamless diabetes management.

• Pocket-sized device for added flexibility.
• Ideal solution if you do not have a compatible smartphone.
• Includes most of the same great features as the smartphone app.¶,¶ ¶

Check if my phone is compatible with Dexcom ONE+
No compatible phone? Check out our optional receiver.

Supporting you in meeting your health goals

Dexcom CGM systems are shown to improve overall well-being and treatment satisfaction of people with diabetes.||,4

Improved quality
of life.4,9

Live life with peace of mind knowing that Dexcom ONE+’s accuracy has got your back.

Increase Time in Range2,3,8

Dexcom rtCGM systems are clinically proven to increase time in range.2,3,8 The more time you spend in range, the better you may feel and more you can do.

Reduce hyperglycaemia and
improve HbA1c2,3,8

Proven to reduce Hyperglycaemia and improve HbA1c in people living with diabetes.2,3,8

VitalAire Doctor with Mother and Daughter

It’s easy§,1 to get started with the Dexcom ONE+

Dexcom ONE+ was designed with enhanced onboarding features to get you started quicker than ever and back to doing what you love.

• Easy, painless one-touch all-in-one sensor transmitter.‡‡‡,10
• Faster, easier account creation and set-up.
• Improved in-app self-onboarding to get you familiar with using your CGM.
• Fast 30-minute warm-up – so you can start tracking your glucose reading quickly.

Stay connected with the Dexcom ONE+ mobile app

Tracking your real-time glucose data, alerts and trends, all start here with
the Dexcom ONE+ mobile app.

img_vitalairediabetes_tandem app download google play img_vitalairediabetes_tandem app download appstore

Dexcom Clarity screenshots

Get in touch

Need information? Our professional Diabetes Care Consultants are ready to assist you with your queries.


If you need emergency support for the Tandem Insulin Pump, Call 0861 339 266

    * Finger pricks required for diabetes treatment decisions if symptoms or expectations do not match readings.
    † Compared to previous generation CGM, Dexcom ONE
    ‡ Compared to Blood Glucose Meter patient use
    § Results obtained with Dexcom G7 study, which shares the similar features and usability
    || Results obtained with a prior generation Dexcom CGM system and are applicable to Dexcom ONE+ given similar feature sets and better performance and usability.
    ¶ Smartphone sold separately. For a list of compatible devices, visit
    # Optional receiver sold separately.
    ** Dexcom ONE+ features a retroactive API function.
    †† Connectivity may vary per country
    ‡‡ Dexcom, Data on File 2020
    || || Dexcom ONE+ is approved for wear on the arm and abdomen, and ages 2-6 can also wear Dexcom ONE+ on the upper buttocks
    ¶ ¶ Event Entry only available on smartphone app
    ## Separate Follow app and internet connection required
    *** Time in range was defined as 3.9-10 mmol/L – 70-180 mg/dL.
    ††† Dexcom ONE+ sensor is waterproof and may be submerged under 2.4 Meters of water for up to 24 hours without failure when properly installed.
    ‡‡‡ Results obtained with Dexcom G7, which shares the same hardware platform as Dexcom ONE+
    1 Dexcom Data on File, 2021 (HF Summative report in Agile July 5)
    2 Beck RW, et al. JAMA. 2017;317(4):371-378.
    3 Beck RW et al. Ann Intern Med. 2017;167(6):365-374.
    4 Lind M, et al. Diabetes Care. 2021;44(1):141-149.
    5 Dexcom Data on File, 2023
    6 Dexcom ONE+ User Guide, 2023
    7 Freestyle Libre 2, Medtronic and Senseonics User Guides
    8 Martens T, et al. JAMA. 2021;325(22):2262-2272.
    9 Improved Quality of Life (QOL) but Not Glucose Time in Range (TIR) in rtCGM – Wearing T2D Population (2022 ATTD)
    10 Dexcom Data on File, 2022