Best Glucose Reader Apps

242+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated September 2026

Out of 242+ 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 (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Glucose Monitor - Diabetes AppGlucose Monitor - Diabetes AppFree4.3★ (772)YesYesSep 2026
2Libre by AbbottLibre by AbbottFree4.6★ (110K)NoNoSep 2026
3FreeStyle Libre 3 – USFreeStyle Libre 3 – USFree2.4★ (6K)NoNoSep 2026
4Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6★ (28K)NoYesSep 2026
5Blood Sugar Tracker GlucobyteBlood Sugar Tracker GlucobyteFree4.5★ (1.9K)YesYesSep 2026
6Luka – Blood Glucose ReadingsLuka – Blood Glucose ReadingsFree4.6★ (40)NoYesSep 2026
7OneTouch Reveal® appOneTouch Reveal® appFree4.8★ (161K)NoNoSep 2026
8Glucose Buddy Diabetes TrackerGlucose Buddy Diabetes TrackerFree4.8★ (25K)YesYesSep 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😞(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
Libre by Abbott#2

Libre by Abbott by Abbott Labs

Continuous Glucose Monitoring
Strong Contender
🏥 Medical
4.6😊(110K ratings)
Free
#30in 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
  • 🔊 Persistent alarms
FreeStyle Libre 3 – US#3

FreeStyle Libre 3 – US by Abbott Labs

Continuous Glucose Monitoring
Worth Considering
🏥 Medical
2.4😐(6K ratings)
Free
#38in 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
  • 🔌 Requires phone to be nearby and charged
  • 🤖 Lack of integration with Apple Health and Watch

More Glucose Reader apps to explore

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 September 2026, with a 4.3-star average from 772 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 Libre by Abbott.
Glucose Monitor - Diabetes App shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 242+ glucose reader apps on the iOS App Store as of September 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.