Best Continuous Glucose Monitor Apps

248+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated August 2026

Finding the right continuous glucose monitor apps can be overwhelming with so many options. We've analyzed 248+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Continuous Glucose Monitor Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Libre by AbbottLibre by AbbottFree4.6★ (110K)NoNoAug 2026
2Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6★ (28K)NoYesAug 2026
3Sugarmate by TandemSugarmate by TandemFree4.7★ (15K)NoNoAug 2026
4Levels - Metabolic HealthLevels - Metabolic HealthFree4.7★ (6.6K)NoNoAug 2026
5Stelo by DexcomStelo by DexcomFree2.7★ (53)NoNoAug 2026
6FreeStyle Libre 3 – USFreeStyle Libre 3 – USFree2.4★ (6K)NoNoAug 2026
7Glooko - Track Diabetes DataGlooko - Track Diabetes DataFree4.7★ (9.5K)NoNoAug 2026
8Glucose Buddy Diabetes TrackerGlucose Buddy Diabetes TrackerFree4.8★ (25K)YesYesAug 2026

Top Picks for Continuous Glucose Monitor

Libre by Abbott#1

Libre by Abbott by Abbott Labs

Continuous Glucose Monitoring
Editor's Choice
🏥 Medical
4.6😊(110K ratings)
Free
#29in Medical
Libre by Abbott screenshot 1
Libre by Abbott screenshot 2
Libre by Abbott screenshot 3
Libre by Abbott screenshot 4
Libre by Abbott screenshot 5
Libre by Abbott screenshot 6

This app provides continuous glucose monitoring for individuals with diabetes. It automatically updates glucose readings to your phone every minute and offers insights into trends and settings. Compatible with specific FreeStyle Libre sensors, it aids in managing diabetes by tracking glucose levels.

What We Love

  • 🚀 Streaming every minute
  • 👍 User-friendly design
  • ⭐️ Five-star rating

Room to Improve

  • 🔧 Needs more customization
  • 🔍 Lack of detailed view
  • 🔌 Unreliable connection
Glucose | Blood Sugar Tracker#2

Glucose | Blood Sugar Tracker by App Sub 1 LLC

Insulin, Carbs & Diabetes Log
Strong Contender
🏥 Medical
4.6😞(28K ratings)
FreeIn-App Purchases
#20in Medical
Glucose | Blood Sugar Tracker screenshot 1
Glucose | Blood Sugar Tracker screenshot 2
Glucose | Blood Sugar Tracker screenshot 3
Glucose | Blood Sugar Tracker screenshot 4
Glucose | Blood Sugar Tracker screenshot 5
Glucose | Blood Sugar Tracker screenshot 6

This app helps users track blood sugar, weight, blood pressure, and medications to manage diabetes. It offers features like data logging, trend identification, customizable reminders, and report generation for healthcare professionals. An estimated A1C calculator is also included.

What We Love

  • 👍 Easy to use
  • 🚀 Simple and straightforward
  • 💡 Estimated A1C feature
  • 👍 Graphs and data visualization

Room to Improve

  • 🔒 Subscription model to access full features
  • 🐛 Recent update removed decimal point for glucose entries
  • 🔒 Locked features behind paywall
Sugarmate by Tandem#3

Sugarmate by Tandem by Tandem Diabetes Care, Inc.

Maximize Your CGM Data
Worth Considering
🏥 Medical
4.7😊(15K ratings)
Free
Sugarmate by Tandem screenshot 1
Sugarmate by Tandem screenshot 2
Sugarmate by Tandem screenshot 3
Sugarmate by Tandem screenshot 4
Sugarmate by Tandem screenshot 5
Sugarmate by Tandem screenshot 6

This app helps individuals manage diabetes by providing tools to maximize continuous glucose monitor (CGM) data. It offers enhanced visualizations, a digital diary for logging trends, and customizable alerts. Data can also be shared with loved ones.

What We Love

  • 🚀 Comprehensive diabetes management
  • 📊 Detailed data analysis and reporting
  • 📞 Urgent low blood sugar alerts and phone calls
  • 🔗 Seamless integration with Dexcom and Apple Watch

Room to Improve

  • 🐛 Frequent app crashes and glitches
  • 🔁 Inconsistent data sync and update issues
  • 🕰️ Slow response times and lags

More Continuous Glucose Monitor apps to explore

4
Levels - Metabolic Health
Levels - Metabolic Health
Levels - Metabolic Health
Be the expert in your health
Free

Gain deep insights into your body's metabolic health through advanced lab testing and continuous glucose monitoring. This app uses AI to track your habits and provides personalized suggestions to optimize your diet, exercise, and sleep for improved well-being.

Comprehensive lab testingContinuous glucose monitoringAI-powered habit tracking
💪 Health & Fitness
(6.6K)
subscription
5
Stelo by Dexcom
Stelo by Dexcom
Stelo by Dexcom
by Dexcom
Free

Easily track your glucose levels 24/7 without fingersticks or a prescription. Gain personalized insights to understand how diet and exercise impact your health. This app empowers you to build healthier habits and take control of your well-being.

24/7 glucose trackingNo fingersticks requiredPersonalized health insights
💪 Health & Fitness
(53)
free
6
FreeStyle Libre 3 – US
FreeStyle Libre 3 – US
FreeStyle Libre 3 – US
Continuous Glucose Monitoring
Free

Monitor your glucose levels in real-time with advanced continuous glucose monitoring technology. Receive immediate alerts for low or high glucose readings and gain insights into your trends with detailed reports. This app is designed for individuals managing diabetes.

Real-time glucose readingsLow/high glucose alertsReadings updated every minute
🏥 Medical
(6K)
free
7
Glooko - Track Diabetes Data
Glooko - Track Diabetes Data
Glooko - Track Diabetes Data
Take control of your diabetes
Free

This app helps individuals manage their diabetes by tracking blood glucose, insulin, weight, exercise, food, and medications. It facilitates remote collaboration with healthcare providers by sharing data and reports, enabling better informed health decisions.

Track blood glucose, insulin, weight, exercise, food, and medicationsSync data from over 200 diabetes devicesShare health data with care teams
🏥 Medical
(9.5K)
free
8
Glucose Buddy Diabetes Tracker
Glucose Buddy Diabetes Tracker
Glucose Buddy Diabetes Tracker
Log Blood Sugar, Carbs, & Meds
Free

This app helps individuals manage their diabetes by tracking blood sugar, medication, and carb intake. It offers educational content, meal planning assistance, and data export for healthcare providers. Premium features provide advanced analytics and integrations.

Track blood sugar, medication, and A1CLog weight and carb intakeExtensive food database for meal logging
🏥 Medical
(25K)
freemium
9
Nutrisense: Glucose Tracker
Nutrisense: Glucose Tracker
Nutrisense: Glucose Tracker
CGM App with Expert Dietitians
Free

Monitor glucose levels, log food and activities, and receive personalized guidance from certified dietitians. Understand how your body responds to diet and lifestyle choices for improved energy and weight management.

Continuous Glucose MonitoringAdvanced AnalyticsLog Meals, Sleep, Stress, Exercise
💪 Health & Fitness
(4.3K)
free with in-app purchases
10
Glucose Monitor
Glucose Monitor
Glucose Monitor
Glucose, Weight & more
Free

Easily track and manage your glucose, weight, temperature, and other vital health data. Visualize trends with charts, analyze statistics, correlate medication effects, and set reminders. This app centralizes your health readings for better management and communication with healthcare providers.

Comprehensive health data trackingChart visualization and statisticsMedication correlation
🏥 Medical
(450)
free with in-app purchases
11
Gluvia - Blood Sugar Tracker
Gluvia - Blood Sugar Tracker
Gluvia - Blood Sugar Tracker
Glucose Monitor & Diabetes Log
Free

Monitor your glucose levels and understand how daily habits impact your blood sugar. Log readings, view trends, and scan food to identify potential spikes. Features include estimated A1C tracking and Apple Health sync for comprehensive health management.

Track blood sugar readingsView glucose trends with chartsScan food for impact estimation
🏥 Medical
(0)
free with in-app purchases
12
Glucose Monitor: Blood Sugar
Glucose Monitor: Blood Sugar
Glucose Monitor: Blood Sugar
Diabetes Tracker: Sugar level
Free
🏥 Medical
(0)
13
GloGlo: Glucose Companion
GloGlo: Glucose Companion
GloGlo: Glucose Companion
AI Food & Glucose Tracker
Free

This app helps you monitor your glucose levels by connecting to your CGM data. Understand personal trends, track your progress with a "GloGlo Score," and build daily habits for better glucose awareness. It's designed to make your glucose data easy to follow.

View recent time in rangeTrack GloGlo Score (7 days)Review glucose patterns (highs, lows, overnight)
💪 Health & Fitness
(7)
free
14
Glucose Analysis
Glucose Analysis
Glucose Analysis
by David Kramer
Free
🏥 Medical
(0)
15
Dexcom G7
Dexcom G7
Dexcom G7
Continuous Glucose Monitoring
Free

This app provides real-time glucose monitoring for diabetes management. It offers customizable alerts for high or low glucose levels and allows sharing data with loved ones and healthcare teams. Integrates with smartwatches and other health apps for comprehensive insights.

Real-time glucose monitoringCustomizable high/low glucose alertsData sharing with followers
🏥 Medical
(8.3K)
free
16
Blood Sugar Monitor ++
Blood Sugar Monitor ++
Blood Sugar Monitor ++
Glucose Tracker for Diabetics
Free

Track glucose levels, insulin, pulse, and carbohydrate intake with clear visualizations and smartwatch integration. Offers a free version with basic features and a premium subscription for unlimited entries and detailed reports.

Glucose level trackingInsulin and pulse loggingCarbohydrate intake recording
💪 Health & Fitness
(5)
freemium
17
Glucose Monitor ۬
Glucose Monitor ۬
Glucose Monitor ۬
Blood Sugar & Diabetes Tracker
Free
💪 Health & Fitness
(0)
18
GlucoLive
GlucoLive
GlucoLive
Blood sugar in real time
Free

View real-time blood glucose data on your Lock Screen, Apple Watch, and Dynamic Island. Receive customizable high and low glucose alerts, track Time in Range, and sync with Apple Health. Offers advanced features with a Pro subscription.

Real-time glucose display on Lock Screen, Dynamic Island, and Apple WatchCustomizable high and low glucose alertsGraph, Time in Range, GMI, and Average tracking
🏥 Medical
(0)
freemium
19
Nectar – Glucose Tracker
Nectar – Glucose Tracker
Nectar – Glucose Tracker
Beautiful Live CGM Monitor
Free
💪 Health & Fitness
(0)
20
GlucoseTrackerApp
GlucoseTrackerApp
GlucoseTrackerApp
Glucose and diet patterns
Free
💪 Health & Fitness
(0)

FAQ about Continuous Glucose Monitor

What are the best continuous glucose monitor apps for iPhone?
Libre by Abbott tops our continuous glucose monitor apps ranking as of August 2026, with a 4.6-star average from 110K App Store ratings, and it's free to download.
Yes — 20 of the top continuous glucose monitor apps we rank are free to download, including Libre by Abbott and Glucose | Blood Sugar Tracker.
Libre by Abbott has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 248+ continuous glucose monitor apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The Libre app is a continuous glucose monitoring (CGM) application designed to help people with diabetes track their glucose levels. It automatically updates readings to your phone every minute and provides insights into glucose trends and settings. It is compatible with FreeStyle Libre 2 and 3 system sensors.
Key features include automatic glucose readings that update every minute, easy access to readings and trends, and compatibility with FreeStyle Libre 2 and 3 sensors. It also includes Libre Assist, a feature using generative AI to provide information on how foods might impact glucose levels.

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