Best Free Blood Sugar Log Apps

248+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated September 2026

The best free blood sugar log apps on iPhone average 4.3★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Free Blood Sugar Log Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Diabetes LogsDiabetes LogsFree4.6★ (3.1K)NoYesSep 2026
2Blood Sugar Tracker & GlucoseBlood Sugar Tracker & GlucoseFree4.8★ (558)YesNoSep 2026
3Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6★ (28K)NoYesSep 2026
4mySugr - Diabetes Tracker LogmySugr - Diabetes Tracker LogFree4.7★ (33K)NoYesSep 2026
5GLog : Glucose LogbookGLog : Glucose LogbookFree4.8★ (3.3K)NoNoSep 2026
6Free Blood Sugar Monitor ivitaFree Blood Sugar Monitor ivitaFree4.5★ (1.1K)YesNoSep 2026
7Glucose - Blood Sugar TrackerGlucose - Blood Sugar TrackerFree4.2★ (5)NoYesAug 2026
8Glucose Buddy Diabetes TrackerGlucose Buddy Diabetes TrackerFree4.8★ (25K)YesYesSep 2026

Top Picks for Free Blood Sugar Log

Diabetes Logs#1

Diabetes Logs by Florin Uscatu

Log your blood sugar and meds
Editor's Choice
💪 Health & Fitness
4.6😐(3.1K ratings)
Free
Diabetes Logs screenshot 1
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Diabetes Logs screenshot 5

Easily track and manage your diabetes by logging blood sugar levels and medications. View clear statistics and graphs to monitor progress, with both online and offline access. Share data with your healthcare team and sync with the Health app.

What We Love

  • 👍 Easy to use
  • 📊 Helpful graphs and data visualization
  • ⚡ Simple and straightforward
  • 🔍 Useful for tracking blood sugar levels
  • 🤝 Good for sharing data with doctors

Room to Improve

  • 🐛 Logs disappearing or not saving properly
  • 🤔 Limited medication options
  • 🔒 Issues with login/account management
  • 🔍 Inability to view full history of entries
  • 🔍 Lack of customization options
Blood Sugar Tracker & Glucose#2

Blood Sugar Tracker & Glucose by Taro Horiguchi

A1c Log & Diabetes Doctor PDF
Strong Contender
💪 Health & Fitness
4.8(558 ratings)
FreeAds
Blood Sugar Tracker & Glucose screenshot 1
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Blood Sugar Tracker & Glucose screenshot 5

This app helps you manage blood sugar levels by logging glucose readings and analyzing meal photos with AI. It predicts the risk of blood sugar spikes and offers personalized tips to avoid them, all without requiring external devices.

Glucose | Blood Sugar Tracker#3

Glucose | Blood Sugar Tracker by App Sub 1 LLC

Insulin, Carbs & Diabetes Log
Worth Considering
🏥 Medical
4.6😞(28K ratings)
FreeIn-App Purchases
#25in Medical
Glucose | Blood Sugar Tracker screenshot 1
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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

More Free Blood Sugar Log apps to explore

FAQ about Free Blood Sugar Log

What are the best free blood sugar log apps for iPhone?
Diabetes Logs tops our free blood sugar log apps ranking as of September 2026, with a 4.6-star average from 3.1K App Store ratings, and it's free to download.
Diabetes Logs has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 248+ free blood sugar log apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Diabetes Logs is an app designed for diabetics to easily track and monitor their blood sugar levels and medications. It provides clear statistics and graphs to help users track their progress and manage their condition effectively.
Key features include logging blood sugar levels and medications, viewing understandable stats and graphs for progress tracking, and accessing data both online and offline. It also offers cloud synchronization, data sharing with healthcare teams in CSV format, and integration with the Health app.