Best Free Blood Sugar Log Apps

248+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated October 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 October 2026.

Compare top Free Blood Sugar Log Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Diabetes LogsDiabetes LogsFree4.6★ (3.1K)NoYesOct 2026
2Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6★ (29K)NoYesNov 2026
3mySugr - Diabetes Tracker LogmySugr - Diabetes Tracker LogFree4.7★ (34K)NoYesNov 2026
4Blood Sugar Tracker & GlucoseBlood Sugar Tracker & GlucoseFree4.8★ (595)YesNoNov 2026
5GLog : Glucose LogbookGLog : Glucose LogbookFree4.8★ (3.4K)NoNoNov 2026
6Blood Sugar Log - Diabetes logBlood Sugar Log - Diabetes logFree4.6★ (207)NoYesOct 2026
7OneTouch Reveal® appOneTouch Reveal® appFree4.8★ (163K)NoNoNov 2026
8syncsulin: Blood Sugar Diarysyncsulin: Blood Sugar DiaryFree1.0★ (1)NoYesOct 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)
FreeIn-App Purchases
Diabetes Logs screenshot 1
Diabetes Logs screenshot 2
Diabetes Logs screenshot 3
Diabetes Logs screenshot 4
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
Glucose | Blood Sugar Tracker#2

Glucose | Blood Sugar Tracker by App Sub 1 LLC

Insulin, Carbs & Diabetes Log
Strong Contender
🏥 Medical
4.6😞(29K ratings)
FreeIn-App Purchases
#26in 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, A1C, and medications. It provides trend analysis, customizable reminders, and the ability to email reports to physicians. An estimated A1C calculator is also included for diabetes management.

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
mySugr - Diabetes Tracker Log#3

mySugr - Diabetes Tracker Log by mySugr GmbH

Master Your Blood Sugar Level!
Worth Considering
🏥 Medical
4.7😊(34K ratings)
FreeIn-App Purchases
#44in Medical
mySugr - Diabetes Tracker Log screenshot 1
mySugr - Diabetes Tracker Log screenshot 2
mySugr - Diabetes Tracker Log screenshot 3
mySugr - Diabetes Tracker Log screenshot 4
mySugr - Diabetes Tracker Log screenshot 5
mySugr - Diabetes Tracker Log screenshot 6

This app centralizes all your diabetes data, including blood glucose readings, diet, and medication, from connected devices and manual entries. It offers personalized tracking, clear reports, and advanced features like glucose predictions and insulin dose recommendations with its PRO version.

What We Love

  • 👍 Easy to use
  • 🚀 Convenient data tracking
  • 💡 Helpful features like estimated A1C
  • 👍 Integrates with other health apps
  • 👍 Motivating and engaging
  • 👍 Useful for sharing data with doctors

Room to Improve

  • 🐛 Connectivity issues with some devices
  • 🔍 Limited customization options
  • 💰 Paid version required for some key features
  • 🙄 Annoying monster animation
  • 🔍 Confusing or cluttered interface in some areas

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 October 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 October 2026.
We track 248+ free blood sugar log apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.