Dexcom G7 icon
Dexcom G7 iOS App: Comprehensive Review of Diabetes Management Tool

by Dexcom

2.9
IOSMedical
Dexcom G7 provides real-time continuous glucose monitoring for diabetes management. The iOS app displays trends, sends alerts, and reduces fingerstick testing. Targets users requiring proactive glucose tracking.

Detailed Review

The Dexcom G7 iOS application serves as the digital interface for Dexcom's seventh-generation continuous glucose monitoring system, positioning itself as a critical tool for modern diabetes management. This medical-grade application transforms raw sensor data into actionable insights through real-time glucose readings, trend arrows, and predictive alerts, creating a comprehensive monitoring ecosystem that operates alongside compatible display devices. Core functionality centers around continuous glucose data visualization with updates every five minutes, historical trend analysis through customizable graphs, and configurable alert thresholds for both hypoglycemia and hyperglycemia events. The system's 12-hour warm-up period represents a significant reduction from previous generations, while the integrated Hypo and Hyperglycemia alerts provide critical safety notifications. The app further enhances diabetes management through meal logging capabilities, insulin dose tracking, and data sharing features that allow caregivers or healthcare providers to monitor patterns remotely. User experience demonstrates thoughtful design with large, legible glucose readings and intuitive color-coded trend graphs indicating rising or falling levels. The interface prioritizes critical information during urgent situations while maintaining comprehensive data access for routine management. Real-world usage patterns show particularly strong adoption among pediatric patients and active individuals who benefit from the discrete wearable sensor and reduced need for fingerstick calibrations, though some users report occasional connectivity challenges during intense physical activity. User feedback trends reveal overwhelmingly positive experiences with glucose management outcomes, exemplified by Bee ☺️'s August 21, 2025 review noting A1C reduction from 10.7 to 6.3 through lifestyle modifications guided by app data. Multiple reviewers including 2BluntzAt1nce (August 24, 2025) praise the elimination of frequent finger pricks, while DouglasthoroughgoodIII's July 29, 2025 review suggests interface improvements for meal data entry workflow. Pediatric users like Robutt2345 (July 29, 2025) particularly value the loud, reliable alarm system for safety monitoring. The application demonstrates significant strengths in real-time data accuracy and lifestyle integration but faces limitations in connectivity stability and meal logging interface efficiency. While the system provides exceptional value for Type 1 diabetes patients and insulin-dependent Type 2 users, occasional signal loss episodes and the requirement for sensor replacements every 10 days present ongoing considerations. Ideal use cases include active individuals seeking greater diabetes management freedom, pediatric patients requiring caregiver monitoring, and anyone pursuing data-driven lifestyle modifications to improve glycemic control.

Key Features

  • Real-time glucose monitoring with 5-minute updates provides continuous visibility into blood sugar levels and trends throughout daily activities
  • Customizable high and low glucose alerts deliver immediate notifications for dangerous levels with adjustable threshold settings
  • Trend arrow visualization shows glucose direction and rate of change, enabling proactive management before critical levels occur
  • 12-hour sensor warm-up period significantly reduces initialization time compared to previous generation CGM systems
  • Data sharing functionality allows remote monitoring by caregivers or healthcare providers with customizable follower permissions
  • Meal and insulin logging integrates nutrition tracking with glucose response patterns for comprehensive diabetes management

Why Users Love It

Reduces fingerstick testing
Real-time trend monitoring

Perfect for: Diabetes patients requiring continuous glucose monitoring and data tracking

Screenshots

Dexcom G7 screenshot 1Dexcom G7 screenshot 2Dexcom G7 screenshot 3Dexcom G7 screenshot 4

Ranking History

Track Dexcom G7's performance in Medical over the last 30 days

Top 5
Top 10
Top 15
Below 15

Current Rank

#25

1 from last week

Best Rank

#17

All-time high

Average Rank

#22

30-day average

User Reviews

Jeoux
Oct 3, 2025

See title, everything else is great. Still wish there was a dark mode like in follow See title, everything else is great.

Bee ☺️
Aug 21, 2025

Dexcom G7 helped me lower my A1C from 10.7 to 6.3 in 6 months! I couldn’t have gone from uncontrolled diabetes to pre diabetic range without this app. My insulin dosage was low so most of the improvements came from lifestyle changes that I monitored using the app. My only wish is that more people can access life changing medical devices like this. Life Changing Dexcom G7 helped me lower my A1C from 10.7 to 6.3 in 6 months! I couldn’t have gone from uncontrolled diabetes to pre diabetic range without this app. My insulin dosage was low so most of the improvements came from lifestyle changes that I monitored using the app. My only wish is that more people can access life changing medical devices like this.

daphne .v
Aug 27, 2025

I love it sm as a diabetic and it works amazingly Daphne v. I love it sm as a diabetic and it works amazingly

2BluntzAt1nce
Aug 24, 2025

I honestly have no complaints, you guys help me with diabetes everyday , I’ve had diabetes since I was 12 I’m now 18. Thank you very much for letting me monitor it through an app rather than finger pokes I’m so thankful! Thank you I honestly have no complaints, you guys help me with diabetes everyday , I’ve had diabetes since I was 12 I’m now 18. Thank you very much for letting me monitor it through an app rather than finger pokes I’m so thankful!

DouglasthoroughgoodIII
Jul 29, 2025

Love the app, and its been steadily getting better. One quality of life feature, could you possibly add the ability to go to the next field for meal inputs? After I type the name of the food I have to either scroll or press out of the keyboard so I can then click the carb entry section to type that in. Would be really useful if there was the up/down arrows at the top of the keyboard that most forms in iOS have that let you move to the next field. Getting better all the time Love the app, and its been steadily getting better. One quality of life feature, could you possibly add the ability to go to the next field for meal inputs? After I type the name of the food I have to either scroll or press out of the keyboard so I can then click the carb entry section to type that in. Would be really useful if there was the up/down arrows at the top of the keyboard that most forms in iOS have that let you move to the next field.

App Details

Developer

Dexcom

Platform

ios

Rating

2.9

Last Updated

10/7/2025