Best A1C Apps

190+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated June 2026

Every iPhone needs a few good a1c apps. We benchmark 190+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top A1C Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1A1C Calculator Blood GlucoseA1C Calculator Blood GlucoseFree4.1★ (116)YesYesJul 2026
2A1C InsightsA1C InsightsFreeNoYesJul 2026
3Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6★ (28K)NoYesJul 2026
4mySugr - Diabetes Tracker LogmySugr - Diabetes Tracker LogFree4.7★ (32K)YesYesJul 2026
5HbA1c Converter mmol/mol to %HbA1c Converter mmol/mol to %Free was $0.495.0★ (2)NoYesMay 2026
6Glucose tracker++Glucose tracker++Free4.5★ (1.5K)NoYesJun 2026
7OneTouch Reveal® appOneTouch Reveal® appFree4.8★ (160K)YesNoJul 2026
8A1C to EAGA1C to EAGFree2.5★ (2)NoNoMay 2026

Top Picks for A1C

A1C Calculator Blood Glucose#1

A1C Calculator Blood Glucose by Feizan Ulhaq

Calculate & Track hbA1C
Editor's Choice
💪 Health & Fitness
4.1😊(116 ratings)
FreeAdsIn-App Purchases
A1C Calculator Blood Glucose screenshot 1
A1C Calculator Blood Glucose screenshot 2
A1C Calculator Blood Glucose screenshot 3
A1C Calculator Blood Glucose screenshot 4
A1C Calculator Blood Glucose screenshot 5

Calculate and track your A1C levels using your average blood glucose readings. Store results with dates, view historical data in a logbook, and visualize trends with charts. Designed for accessibility with screen reader support and multiple language options.

What We Love

  • 👍 Easy to use and intuitive interface
  • 📊 Helpful A1C tracking and prediction without waiting 3 months
  • 📈 Clear graphical history and data visualization
  • 🎯 Accurate glucose monitoring and recording

Room to Improve

  • 💳 Unauthorized billing and subscription charges
  • 🔧 Difficult navigation and confusing interface
  • ⚠️ Misleading app description about functionality
Glucose | Blood Sugar Tracker#3

Glucose | Blood Sugar Tracker by App Sub 1 LLC

Diabetes Log
Worth Considering
🏥 Medical
4.6😞(28K ratings)
FreeIn-App Purchases
#16in 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

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

More A1C apps to explore

4
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
(32K)
free with in-app purchases
5
HbA1c Converter mmol/mol to %
HbA1c Converter mmol/mol to %
HbA1c Converter mmol/mol to %
mmol/mol to % and vice versa
Free
$0.49 | 100% OFF

Easily convert HbA1c values between mmol/mol and % units. It also estimates average glucose levels from mg/dL or mmol/L. A straightforward tool for quick and accurate conversions.

HbA1c conversion (mmol/mol to %)HbA1c conversion (% to mmol/mol)Estimated Average Glucose (eAG) calculation
🔧 Utilities
(2)
free with in-app purchases
6
Glucose tracker++
Glucose tracker++
Glucose tracker++
Log a1c — Blood sugar tracking
Free

Easily track blood sugar, A1C, and medications to identify trends and manage diabetes or prediabetes. Schedule reminders for diligent monitoring and gain insights into your health.

Blood sugar trackingA1C calculationMedication logging
🏥 Medical
(1.5K)
freemium
7
OneTouch Reveal® app
OneTouch Reveal® app
OneTouch Reveal® app
Your diabetes management app
Free

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.

Blood glucose pattern identificationPersonalized reminders and guidanceDiabetes logbook with color-coded readings
🏥 Medical
(160K)
free with in-app purchases
8
A1C to EAG
A1C to EAG
A1C to EAG
by Brad McAnalley
Free

This medical tool converts A1C lab results into estimated average glucose (eAG) levels. It provides a quick conversion for individuals monitoring their diabetes.

A1C to eAG conversionDiabetes monitoring aidSimple interface
🏥 Medical
(2)
free
9
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
10
Glucose Buddy Diabetes Tracker
Glucose Buddy Diabetes Tracker
Glucose Buddy Diabetes Tracker
Blood Sugar, Carb, A1C Manager
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
11
HbA1c
HbA1c
HbA1c
by rabidmoose
Free

Converts HbA1c levels between different units (DCCT Percentage, IFCC mmol/mol) and estimates average blood glucose levels (mmol/l, mg/dl). It uses the ADA-recommended equation and presents results to two decimal places. This tool is for informational purposes only and not a substitute for professional medical advice.

HbA1c to eAG conversioneAG to HbA1c conversionSupports DCCT Percentage and IFCC mmol/mol
💪 Health & Fitness
(7)
free
12
Sugar Hub: Glucose & Insulin
Sugar Hub: Glucose & Insulin
Sugar Hub: Glucose & Insulin
Blood Sugar & Diabetes Tracker
Free

Easily log, track, and organize blood sugar, insulin, and A1C data. Visualize trends with charts and export reports for your healthcare provider. This intuitive tool simplifies diabetes management.

Log blood sugar readings with tagsTrack basal and bolus insulin dosesMonitor A1C levels and trends
🏥 Medical
(8)
free with in-app purchases
13
Dexcom Clarity
Dexcom Clarity
Dexcom Clarity
by Dexcom
Free

This app provides diabetes management insights for continuous glucose monitoring (CGM) users. It helps identify glucose patterns and trends over time, aiding in better diabetes control and potentially increasing time in target glucose ranges. Users can track key metrics, share data with healthcare providers, and set personalized goals.

Glucose pattern and trend analysisTime in range trackingData sharing with healthcare professionals
🏥 Medical
(12K)
free
14
Diabetes Tracker by MyNetDiary
Diabetes Tracker by MyNetDiary
Diabetes Tracker by MyNetDiary
Blood glucose, sugar, carbs
Free

This app helps users manage diabetes by tracking blood glucose, food intake, exercise, and medications. It offers detailed analysis, personalized feedback, and support to improve diet and control blood sugar levels. Designed for various diabetes types, it aims to empower users in their health journey.

Comprehensive blood glucose trackingFood and carb tracking with barcode scannerExercise tracking with GPS
🏥 Medical
(5.9K)
free with in-app purchases
15
Blood Sugar Monitor - GlucoAI
Blood Sugar Monitor - GlucoAI
Blood Sugar Monitor - GlucoAI
Log Glucose Sugar A1C Insulin
Free
🏥 Medical
(0)
16
HbA1c
HbA1c
HbA1c
by DOCTOT
Free
🏥 Medical
(0)
17
Health Scan: Heart & Sugar
Health Scan: Heart & Sugar
Health Scan: Heart & Sugar
Blood Glucose & Pressure Track
Free

This app uses AI to monitor key health indicators like blood pressure and sugar levels. It offers food nutritional analysis and medication identification through photo recognition, providing personalized health reports and lifestyle recommendations.

Blood pressure and sugar trackingFood nutritional analysis via photoMedication and supplement identification
💪 Health & Fitness
(5.3K)
free with in-app purchases
18
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
19
Diabetes Logs
Diabetes Logs
Diabetes Logs
Log your blood sugar and meds
Free

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.

Log blood sugar levelsRecord medicationsView stats and graphs
💪 Health & Fitness
(3.1K)
free
20
Blood Sugar Tracker Glucobyte
Blood Sugar Tracker Glucobyte
Blood Sugar Tracker Glucobyte
A1C Glucose Diabetes Tracker
Free

This app helps users record, track, analyze, and share blood glucose data. It supports integration with Apple Health and various glucose meters, allowing for comprehensive diabetes management. Users can log various health metrics, track food intake, and generate shareable reports.

Record & Track blood sugar, insulin, medication, ketones, carbs, weightApple Health and Bluetooth glucose meter integrationFood logging with barcode scanning and macro tracking
🏥 Medical
(1.9K)
free with in-app purchases

FAQ about A1C

What are the best a1c apps for iPhone?
A1C Calculator Blood Glucose tops our a1c apps ranking as of June 2026, with a 4.1-star average from 116 App Store ratings, and it's free to download.
Yes — 20 of the top a1c apps we rank are free to download, including A1C Calculator Blood Glucose and A1C Insights.
A1C Calculator Blood Glucose shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 190+ a1c apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
A1C Calculator Blood Glucose calculates your A1C percentage or mmol/mol from your average blood glucose readings in mg/dL or mmol/l, and vice versa. The app stores these calculations with dates for easy tracking.
Yes, the app features a logbook where you can view a history of all stored A1C calculation results. You can also see how your readings have changed throughout the year via charts.

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