Best Blood Sugar App Diary

246+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 2026

The best blood sugar app diary on iPhone average 4.4★ across 246+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Blood Sugar App Diary (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OneTouch Reveal® appOneTouch Reveal® appFree4.8★ (161K)NoNoAug 2026
2Blood Sugar Tracker-AI HealthBlood Sugar Tracker-AI HealthFree3.1★ (104)NoYesAug 2026
3Free Blood Sugar Monitor ivitaFree Blood Sugar Monitor ivitaFree4.5★ (1.1K)YesNoAug 2026
4Blood sugar diary AppBlood sugar diary AppFreeYesYesAug 2026
5Blood Sugar Diary for DiabetesBlood Sugar Diary for DiabetesFree4.6★ (105)NoYesAug 2026
6Glucose Buddy Diabetes TrackerGlucose Buddy Diabetes TrackerFree4.8★ (25K)YesYesAug 2026
7iHealth Gluco-SmartiHealth Gluco-SmartFree4.8★ (13K)NoNoAug 2026
8Blood Sugar & Diabetes TrackerBlood Sugar & Diabetes TrackerFree4.2★ (601)YesYesAug 2026

Top Picks for Blood Sugar App Diary

OneTouch Reveal® app#1

OneTouch Reveal® app by LifeScan, Inc.

Your diabetes management app
Editor's Choice
🏥 Medical
4.8😊(161K ratings)
Free
OneTouch Reveal® app screenshot 1
OneTouch Reveal® app screenshot 2
OneTouch Reveal® app screenshot 3
OneTouch Reveal® app screenshot 4
OneTouch Reveal® app screenshot 5
OneTouch Reveal® app screenshot 6

This app helps individuals manage their diabetes by tracking blood glucose readings, food intake, insulin, and activity. It visualizes data to identify patterns, offers personalized insights and reminders, and allows users to share progress with their care team.

What We Love

  • 👍 Easy to use
  • 🚀 Convenient Bluetooth sync
  • 📊 Helpful data tracking and visualization
  • 💊 Good for managing diabetes

Room to Improve

  • 🐛 Syncing issues with meters and devices
  • ⏱️ Slow app performance after updates
  • 🔒 Privacy concerns around data sharing
Free Blood Sugar Monitor ivita#3

Free Blood Sugar Monitor ivita by Free Ai APPs

Glucose Diabetes Test Tracker
Worth Considering
💪 Health & Fitness
4.5(1.1K ratings)
FreeAds
Free Blood Sugar Monitor ivita screenshot 1
Free Blood Sugar Monitor ivita screenshot 2
Free Blood Sugar Monitor ivita screenshot 3
Free Blood Sugar Monitor ivita screenshot 4
Free Blood Sugar Monitor ivita screenshot 5
Free Blood Sugar Monitor ivita screenshot 6

Track glucose levels, A1C, medications, and other health data with this diabetes management tool. Log readings, add notes about food and activity, and view trends with clear charts. Set reminders and export reports for healthcare providers.

More Blood Sugar App Diary apps to explore

4
Blood sugar diary App
Blood sugar diary App
Blood sugar diary App
by Frank Zander
Free

Track your blood sugar levels with an insulin diary, recording glucose readings, insulin units, and comments. Customize event texts, export data as CSV, and view statistics. A subscription unlocks all features and removes ads.

Record blood sugar and insulin unitsCustomize event textsExport data as CSV
💪 Health & Fitness
(0)
free with in-app purchases
5
Blood Sugar Diary for Diabetes
Blood Sugar Diary for Diabetes
Blood Sugar Diary for Diabetes
Blood glucose monitoring diary
Free

This app simplifies blood sugar management by allowing users to log glucose data manually or automatically from connected devices. It tracks trends, medication, and other health metrics, generating reports for doctors. Users can choose to store data locally or back it up to the cloud.

Log blood glucose and ketone levelsConnect to over 50 glucose metersTrack medication and A1C
🏥 Medical
(105)
freemium
6
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
7
iHealth Gluco-Smart
iHealth Gluco-Smart
iHealth Gluco-Smart
Blood glucose management
Free

This app automates blood glucose logging, eliminating manual entry and errors. It provides a digital logbook, graphical summaries, and secure cloud storage for easy tracking and sharing of results with caregivers or doctors. It integrates with specific glucose monitoring systems for a comprehensive health management solution.

Automatic test result recordingDigital logbookGraphical data summaries
💪 Health & Fitness
(13K)
free
8
Blood Sugar & Diabetes Tracker
Blood Sugar & Diabetes Tracker
Blood Sugar & Diabetes Tracker
Log Glucose, A1C, Carbs & BP
Free

Easily monitor blood sugar, A1C, medications, and weight. This app offers detailed reports, custom reminders, and supports both mg/dL and mmol/L units for global compatibility. Take control of your diabetes management and overall health.

Blood Sugar TrackingMedication TrackerA1C Tracker
🏥 Medical
(601)
free with in-app purchases
9
Blood Sugar Monitor+
Blood Sugar Monitor+
Blood Sugar Monitor+
Track Your Blood Sugar
Free

Easily log and understand your glucose levels. This app helps you record readings, view trends, and add context like meals or medication. Stay informed about your daily health patterns with a simple and organized interface.

Quick logging of blood sugar readingsDaily, weekly, and monthly trend trackingAdd notes and tags for context
🏥 Medical
(24)
freemium
10
Blood Sugar Monitor ++
Blood Sugar Monitor ++
Blood Sugar Monitor ++
Glucose Tracker for Diabetics
Free

Track glucose levels, insulin, pulse, and carbohydrate intake with clear visualizations and smartwatch integration. Offers a free version with basic features and a premium subscription for unlimited entries and detailed reports.

Glucose level trackingInsulin and pulse loggingCarbohydrate intake recording
💪 Health & Fitness
(5)
freemium
11
Blood Sugar Tracker - Diabetes
Blood Sugar Tracker - Diabetes
Blood Sugar Tracker - Diabetes
Blood Sugar Diabetes Tracking
Free

Easily record and analyze blood sugar levels with this smart tracker. Get insights into trends, calculate ranges, and access a diabetes knowledge base to improve your health.

Effortless blood sugar trackingCategorized blood sugar valuesAutomatic blood sugar calculation
💪 Health & Fitness
(1)
ad-supported
12
Blood Sugar Tracker & Glucose
Blood Sugar Tracker & Glucose
Blood Sugar Tracker & Glucose
A1c Log & Diabetes Doctor PDF
Free

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.

AI meal photo analysis for spike riskManual glucose logging with notesCalendar view of daily logs
💪 Health & Fitness
(551)
ad-supported
13
Blood Sugar Tracker: Diabetes
Blood Sugar Tracker: Diabetes
Blood Sugar Tracker: Diabetes
Blood Sugar Monitor - Diabetes
Free

Easily log and analyze your blood sugar levels to manage diabetes. Track readings, view trends with clear charts, and personalize your target ranges. Access helpful articles to better understand and control your condition.

Log blood sugar readings with event typesAuto-calculated blood sugar levelsPersonalize blood sugar ranges
💪 Health & Fitness
(180)
free with in-app purchases
14
CONTOUR DIABETES app (US)
CONTOUR DIABETES app (US)
CONTOUR DIABETES app (US)
by Ascensia Diabetes Care US Inc.
Free

This app helps adults with diabetes manage their condition by syncing with a connected meter for blood glucose monitoring. It provides personalized insights into how daily activities affect readings, helping users understand trends and optimize their testing. Users can record events, view insulin and carb data, and share reports with healthcare professionals.

Seamless blood glucose monitoring syncPersonalized blood glucose trend analysisRecord diet, activities, and medication
🏥 Medical
(1.4K)
free with in-app purchases
15
Undermyfork: Diabetes App
Undermyfork: Diabetes App
Undermyfork: Diabetes App
Diabetes food diary
Free

Track your meals and glucose levels to understand how food, insulin, and exercise affect your diabetes management. Automatically syncs data from compatible glucose monitoring systems or allows manual entry. Share insights with your healthcare team through a personal care link.

Food diary with meal photosGlucose trend analysisAutomatic CGM data sync
🏥 Medical
(130)
free
16
Blood Sugar Master
Blood Sugar Master
Blood Sugar Master
AI Health & Pulse Tracker
Free

This app helps you manage diabetes by recording blood sugar levels and tracking trends with an AI health system. It offers detailed charts, statistics, and health suggestions based on your data. Note that it only records data and does not detect blood sugar levels.

Basic blood sugar tracking by event typeFilter by historical event type/tagLabeling for exercises and food types
🏥 Medical
(134)
free
17
Blood Sugar Notepad
Blood Sugar Notepad
Blood Sugar Notepad
Manage daily blood sugar level
Free

Easily record and track your daily blood sugar levels. View your history with a calendar and analyze trends with charts showing weekly, monthly, and quarterly data. No registration is required to use all features.

Easy blood sugar registrationCalendar view of recorded levelsWeekly, monthly, and quarterly charts
💪 Health & Fitness
(0)
free with in-app purchases
18
Libre by Abbott
Libre by Abbott
Libre by Abbott
Continuous Glucose Monitoring
Free

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.

Continuous glucose monitoringAutomatic readings every minuteGlucose trend insights
🏥 Medical
(110K)
free
19
PulseSnap - Blood Sugar
PulseSnap - Blood Sugar
PulseSnap - Blood Sugar
Heart Rate & Blood Pressure
Free
🔧 Utilities
(0)
20
mySugr - Diabetes Tracker Log
mySugr - Diabetes Tracker Log
mySugr - Diabetes Tracker Log
Master Your Blood Sugar Level!
Free

This app centralizes all your diabetes-related data, including blood sugar readings, medication, and diet. It offers personalized tracking, automatic logging from connected devices, and insightful reports. Advanced features provide real-time glucose monitoring and insulin dose recommendations.

Personalized HomescreenAutomatic Blood Sugar LoggingReal-time Glucose Values
🏥 Medical
(33K)
free with in-app purchases

FAQ about Blood Sugar App Diary

What is the best blood sugar app diary for iPhone?
OneTouch Reveal® app tops our blood sugar app diary ranking as of August 2026, with a 4.8-star average from 161K App Store ratings, and it's free to download.
Yes — 20 of the top blood sugar app diary we rank are free to download, including OneTouch Reveal® app and Blood Sugar Tracker-AI Health.
OneTouch Reveal® app has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 246+ blood sugar app diary on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The OneTouch Reveal app is designed to help users manage their diabetes. It tracks blood glucose readings, food intake, insulin, and activity, transforming this data into visual snapshots to help identify patterns and trends. The app also offers personalized guidance and reminders to support users in their diabetes management journey.
The app is compatible with iOS 16, 17, and 18. It seamlessly syncs data with compatible OneTouch brand meters. Additionally, it offers optional integration with the Health app and Fitbit, allowing for a more comprehensive view of health data.