Best Glucose Reader Apps

250+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated August 2026

Out of 250+ glucose reader apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Glucose Reader Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Glucose Monitor - Diabetes AppGlucose Monitor - Diabetes AppFree4.3★ (764)YesYesAug 2026
2FreeStyle Libre 3 – USFreeStyle Libre 3 – USFree2.4★ (6K)NoNoAug 2026
3Libre by AbbottLibre by AbbottFree4.6★ (110K)NoNoAug 2026
4Luka – Blood Glucose ReadingsLuka – Blood Glucose ReadingsFree4.7★ (38)NoNoAug 2026
5TNZ Glucose ConverterTNZ Glucose ConverterFreeNoNoMay 2026
6Diabetes Tracker App GlucobyteDiabetes Tracker App GlucobyteFree4.5★ (1.9K)YesYesAug 2026
7Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6★ (28K)NoYesAug 2026
8Glucose Buddy Diabetes TrackerGlucose Buddy Diabetes TrackerFree4.8★ (25K)YesYesAug 2026

Top Picks for Glucose Reader

Glucose Monitor - Diabetes App#1

Glucose Monitor - Diabetes App by Andrei Nemtsou

Blood Sugar Tracker, Diet Log
Editor's Choice
🏥 Medical
4.3😞(764 ratings)
FreeAdsIn-App Purchases
#97in Medical
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
FreeStyle Libre 3 – US#2

FreeStyle Libre 3 – US by Abbott Labs

Continuous Glucose Monitoring
Strong Contender
🏥 Medical
2.4😐(6K ratings)
Free
#36in Medical
FreeStyle Libre 3 – US screenshot 1
FreeStyle Libre 3 – US screenshot 2
FreeStyle Libre 3 – US screenshot 3
FreeStyle Libre 3 – US screenshot 4
FreeStyle Libre 3 – US screenshot 5
FreeStyle Libre 3 – US screenshot 6

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.

What We Love

  • 🚀 Smaller and less obtrusive sensor
  • 🚀 Accurate continuous glucose monitoring
  • 👍 Helpful for managing diabetes
  • 👍 Improved from previous Libre versions

Room to Improve

  • 🐛 Frequent sensor failures and connectivity issues
  • 🔊 Loud and non-customizable alarms
  • 🔍 Limited data visualization and analysis capabilities
Libre by Abbott#3

Libre by Abbott by Abbott Labs

Continuous Glucose Monitoring
Worth Considering
🏥 Medical
4.6😊(110K ratings)
Free
#26in 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

More Glucose Reader apps to explore

4
Luka – Blood Glucose Readings
Luka – Blood Glucose Readings
Luka – Blood Glucose Readings
CGM Widgets & Live Activities
Free

Track your glucose levels with customizable widgets for your iPhone, Apple Watch, and CarPlay. Get frequent, instant updates and quick access to your preferred glucose monitoring app. Your data remains private and is for educational purposes only.

Lock Screen widgetsHome Screen widgetsApple Watch widgets
🏥 Medical
(38)
free
5
TNZ Glucose Converter
TNZ Glucose Converter
TNZ Glucose Converter
Blood Glucose Converter
Free
🏥 Medical
(0)
6
Diabetes Tracker App Glucobyte
Diabetes Tracker App Glucobyte
Diabetes Tracker App Glucobyte
A1C Blood Glucose Monitor Log
Free

This app helps users record, track, analyze, and share blood glucose data. It supports integration with Apple Health and various glucose meters, allowing for comprehensive diabetes management. Users can log various health metrics, track food intake, and generate shareable reports.

Record & Track blood sugar, insulin, medication, ketones, carbs, weightApple Health and Bluetooth glucose meter integrationFood logging with barcode scanning and macro tracking
🏥 Medical
(1.9K)
free with in-app purchases
7
Glucose | Blood Sugar Tracker
Glucose | Blood Sugar Tracker
Glucose | Blood Sugar Tracker
Insulin, Carbs & Diabetes Log
Free

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.

Log blood sugar and other health dataIdentify trends with graphsSchedule blood sugar check reminders
🏥 Medical
(28K)
free with in-app purchases
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
AB Glucose
AB Glucose
AB Glucose
check your sugar
$7.99
$9.99 | 20% OFF
🍔 Food & Drink
(0)
10
Glucose Logbook | Vakaa
Glucose Logbook | Vakaa
Glucose Logbook | Vakaa
Blood Sugar Tracker & Reports
Free
🏥 Medical
(0)
11
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
(16)
free
12
Dulce: Glucose Tracker
Dulce: Glucose Tracker
Dulce: Glucose Tracker
Your glucose, always in view
Free
🏥 Medical
(0)
13
Glucose Analysis
Glucose Analysis
Glucose Analysis
by David Kramer
Free
🏥 Medical
(0)
14
Blood Glucose Converter
Blood Glucose Converter
Blood Glucose Converter
mmol/L, mg/dL unit conversion
Free

Easily convert blood glucose readings between mmol/L and mg/dL. This app bridges the gap between different measurement units, simplifying understanding of online articles, research, and discussions related to blood sugar and metabolism. It's designed for quick input and offline use.

Instant mmol/L to mg/dL conversionClean, minimal designSearch for easy access
🏥 Medical
(0)
free with in-app purchases
15
CarbTrack: Glucose Tracker
CarbTrack: Glucose Tracker
CarbTrack: Glucose Tracker
See how every meal affects you
Free
💪 Health & Fitness
(0)
16
Glycemic Index & Load monitor
Glycemic Index & Load monitor
Glycemic Index & Load monitor
Blood Sugar & Insulin Log
Free
💪 Health & Fitness
(0)
17
Prick: Glucose & Food Diary
Prick: Glucose & Food Diary
Prick: Glucose & Food Diary
Family Glucometer Tracker Sync
Free
🏥 Medical
(0)
18
GlucoSnap - Glucose Logger
GlucoSnap - Glucose Logger
GlucoSnap - Glucose Logger
Camera glucose. Health sync.
Free
💪 Health & Fitness
(0)
19
LibreLinkUp
LibreLinkUp
LibreLinkUp
by Newyu, Inc
Free

Monitor and support individuals using a FreeStyle Libre sensor and compatible app. View their glucose levels with a quick glance, receive alerts for high or low glucose, and get notified about sensor status. Understand glucose patterns with history and insights.

Remote glucose monitoringGlucose history and insightsGlucose alarms (high/low)
🏥 Medical
(23K)
free
20
Blood Sugar Converter Pro
Blood Sugar Converter Pro
Blood Sugar Converter Pro
Glucose Monitor
Free

This app helps diabetes patients monitor their glycemic control by converting blood sugar and HbA1c levels between different units. It provides information on normal ranges and aids in tracking glucose readings for better diabetes management.

Blood sugar conversion (mg/dL to mmol/L)HbA1c conversion (percentage to mmol/mol)Normal blood sugar level information
🏥 Medical
(0)
ad-supported

FAQ about Glucose Reader

What are the best glucose reader apps for iPhone?
Glucose Monitor - Diabetes App tops our glucose reader apps ranking as of August 2026, with a 4.3-star average from 764 App Store ratings, and it's free to download.
Yes — 19 of the top glucose reader apps we rank are free to download, including Glucose Monitor - Diabetes App and FreeStyle Libre 3 – US.
Glucose Monitor - Diabetes App shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ glucose reader apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps users track their blood sugar levels to stay within target ranges, which can prevent or delay long-term health problems. It also aims to improve energy and mood by maintaining stable glucose levels. Users can log readings at different times of the day and use a glycemic index table to make informed food choices.
Key features include the ability to track blood sugar readings at specific times like upon waking, before and after meals, and at bedtime. It also provides information on typical blood sugar targets and includes a glycemic index table to help users avoid certain foods. The app encourages users to consult their healthcare team for personalized targets.