Best Glucose Reader Apps

245+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated October 2026

Out of 245+ 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 (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Glucose Monitor - Diabetes AppGlucose Monitor - Diabetes AppFree4.3★ (772)YesYesOct 2026
2Dexcom G7Dexcom G7Free3.1★ (8.6K)NoNoOct 2026
3Libre by AbbottLibre by AbbottFree4.6★ (110K)NoNoOct 2026
4FreeStyle Libre 3 – USFreeStyle Libre 3 – USFree2.4★ (6K)NoNoOct 2026
5Blood Sugar Tracker GlucobyteBlood Sugar Tracker GlucobyteFree4.5★ (2K)YesYesOct 2026
6Luka – Blood Glucose ReadingsLuka – Blood Glucose ReadingsFree4.6★ (40)NoYesSep 2026
7Glucose AIGlucose AIFree—NoNoJun 2026
8Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6★ (28K)NoYesOct 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
Dexcom G7#2

Dexcom G7 by DexCom, Inc.

Continuous Glucose Monitoring
Strong Contender
🏥 Medical
3.1😐(8.6K ratings)
Free
#20in Medical
Dexcom G7 screenshot 1
Dexcom G7 screenshot 2
Dexcom G7 screenshot 3
Dexcom G7 screenshot 4

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
Libre by Abbott#3

Libre by Abbott by Abbott Labs

Continuous Glucose Monitoring
Worth Considering
🏥 Medical
4.6😊(110K ratings)
Free
#27in 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

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 October 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 Dexcom G7.
Glucose Monitor - Diabetes App shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 245+ glucose reader apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.