Dexcom Flex

Dexcom

About this app

Dexcom Flex is a diabetes guide by your side to help you build your new routine. Dexcom CGM users reported implementing meaningful changes in diet and physical activity and gaining a better understanding of how lifestyle behaviors impact glucose levels, using insights provided by their CGM*1-3.

FAST SET UP & START Start using the app in just a few simple steps, with additional support available anytime4.
Experience 24/7 access to actionable glucose insights on your phone, smartwatch, or receiver‡—no fingerpricks§.

EASY TRACKING
Automated activity logging seamlessly pulls activity data from Apple Health or Health Connect into the Dexcom Flex app||, ¶, #

CUSTOMISABLE ALERTS
Designed to help users prevent hypo events with customizable low and high glucose alerts4

BUILD A NEW ROUTINE
Provides personalized insights, so that you know what to keep doing and what to change.

REDUCED TREATMENT INTENSITY [or] LOWER MEDICATION BURDEN
The use of Dexcom Flex is associated with reduced treatment intensity, suggesting that fewer or lower-dose medications may be required to maintain glycemic control*,†,**,5-6





REFERENCES / DISCLAIMERS:

*Results obtained with a previous generation Dexcom CGM system and are applicable to Dexcom Flex given similar performance and usability.
†Compared to BGM.
‡Simultaneous use of a compatible smartphone is required to receive readings on compatible smartwatch.
§Fingerpricks are required for diabetes treatment decisions if symptoms or expectations do not match readings.
|| Activity logging only available in Dexcom Flex app
¶ Compatible smartphone is required to pair a new Dexcom Flex sensor with a compatible Apple Watch. To use Share/Follow the smartphone must be within 10 meters of the Dexcom Flex.
# Smart devices sold separately. For a list of compatible devices, visit dexcom.com/compatibility
** CGM can support medication optimization by informing treatment intensification, substitution, or de-escalation, based on individual glycemic status and clinical profile.

1 Crawford MA, et al. Diabetes. 2025;74(S1):1927–LB.
2 Crawford MA, et al. Diabetes. 2023;72(S1):63–LB. 
3 Richardson KM, et al. Int J Behav Nutr Phys Act. 2024;21(1):145.
4 Dexcom Flex User Guide, 2025
5 Seidu S, et al. Diabetes Care. 2024;47(1):169-179.
6 Lind M, et al. Diabetes Care. 2024;47(5):881-889.