Best Glucose Monitoring Apps

242+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated September 2026

The best glucose monitoring apps on iPhone average 4.3★ across 242+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Glucose Monitoring Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6★ (28K)NoYesSep 2026
2Dexcom G7Dexcom G7Free3.1★ (8.5K)NoNoSep 2026
3Glucose Monitor - Diabetes AppGlucose Monitor - Diabetes AppFree4.3★ (772)YesYesSep 2026
4Glucose Buddy Diabetes TrackerGlucose Buddy Diabetes TrackerFree4.8★ (25K)YesYesSep 2026
5Libre by AbbottLibre by AbbottFree4.6★ (110K)NoNoSep 2026
6LibreLinkUpLibreLinkUpFree4.8★ (23K)NoNoSep 2026
7Blood Sugar & Glucose TrackingBlood Sugar & Glucose TrackingFree4.3★ (333)NoYesSep 2026
8mySugr - Diabetes Tracker LogmySugr - Diabetes Tracker LogFree4.7★ (33K)NoYesSep 2026

Top Picks for Glucose Monitoring

Glucose | Blood Sugar Tracker#1

Glucose | Blood Sugar Tracker by App Sub 1 LLC

Insulin, Carbs & Diabetes Log
Editor's Choice
🏥 Medical
4.6😞(28K ratings)
FreeIn-App Purchases
#21in 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
  • 🔒 Sudden changes to free version
Dexcom G7#2

Dexcom G7 by DexCom, Inc.

Continuous Glucose Monitoring
Strong Contender
🏥 Medical
3.1😐(8.5K ratings)
Free
#19in Medical
Dexcom G7 screenshot 1
Dexcom G7 screenshot 2
Dexcom G7 screenshot 3

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.

What We Love

  • 🚀 Quick sensor warmup time
  • 🌟 Smaller and more comfortable sensor
  • 🔍 Accurate glucose readings
  • 📊 Clarity integration in the app
  • 🕰️ 12-hour grace period before sensor expiration

Room to Improve

  • 🔌 Frequent signal loss and connection issues
  • 🔔 Obnoxious and disruptive alert sounds
  • 🧭 Lack of customization for alert settings
  • 🔍 Inconsistent and inaccurate readings at times
  • 🧠 Confusing and unintuitive app interface
Glucose Monitor - Diabetes App#3

Glucose Monitor - Diabetes App by Andrei Nemtsou

Blood Sugar Tracker, Diet Log
Worth Considering
🏥 Medical
4.3😞(772 ratings)
FreeAdsIn-App Purchases
Glucose Monitor - Diabetes App screenshot 1
Glucose Monitor - Diabetes App screenshot 2
Glucose Monitor - Diabetes App screenshot 3
Glucose Monitor - Diabetes App screenshot 4
Glucose Monitor - Diabetes App screenshot 5

This application helps users monitor and manage their blood sugar levels to stay within target ranges. It provides tools for tracking glucose readings at various times, offers insights into typical target levels, and includes a glycemic index table to aid in food choices. The goal is to improve health, energy, and mood by maintaining stable blood sugar.

What We Love

  • ⭐ Great customer support
  • 👍 Easy to use
  • 💡 Helpful for tracking glucose levels
  • 🚀 Super easy to use

Room to Improve

  • 🐛 Glitchy, with issues recording time and glucose values correctly
  • 💰 Misleading advertising, app does not actually measure glucose
  • 🤑 Expensive subscription, poor value for money
  • 🗑️ Difficult to delete or cancel app
  • 🙄 Overly simple, lacking features

More Glucose Monitoring apps to explore

FAQ about Glucose Monitoring

What are the best glucose monitoring apps for iPhone?
Glucose | Blood Sugar Tracker tops our glucose monitoring apps ranking as of September 2026, with a 4.6-star average from 28K App Store ratings, and it's free to download.
Yes — 20 of the top glucose monitoring apps we rank are free to download, including Glucose | Blood Sugar Tracker and Dexcom G7.
Glucose | Blood Sugar Tracker has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 242+ glucose monitoring apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app is designed to help users manage diabetes by tracking blood sugar levels, weight, blood pressure, A1C, medications, carbohydrates, and more. It allows for easy data logging, trend identification through graphs, and provides an estimated A1C calculator.
Key features include logging various health data points, identifying trends with filters and graphs, scheduling reminders to check blood sugar, emailing reports to physicians, and an A1C estimation calculator. It also tracks medications, carbs, weight, and ketones.

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