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Best A1C Calculator Apps

227+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated July 2026

Every iPhone needs a few good a1c calculator apps. We benchmark 227+ 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 Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1A1C Calculator Blood GlucoseA1C Calculator Blood GlucoseFree4.1★ (116)YesYesJul 2026
2HbA1c Converter mmol/mol to %HbA1c Converter mmol/mol to %Free was $0.495.0★ (2)NoYesMay 2026
3HbA1c Calculator – Blood SugarHbA1c Calculator – Blood SugarFree1.0★ (1)NoNoMay 2026
4A1c Monitor for Dexcom G7A1c Monitor for Dexcom G7Free—YesNoAug 2026
5Glucose Buddy Diabetes TrackerGlucose Buddy Diabetes TrackerFree4.8★ (25K)YesYesAug 2026
6OneTouch Reveal® appOneTouch Reveal® appFree4.8★ (161K)NoNoAug 2026
7Glucose tracker++Glucose tracker++Free4.5★ (1.5K)NoYesJun 2026
8Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6★ (28K)NoYesAug 2026

Top Picks for A1C Calculator

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
HbA1c Calculator – Blood Sugar#3

HbA1c Calculator – Blood Sugar by talha rehman

Estimate Blood Sugar Diabetes
Worth Considering
🏥 Medical
1.0(1 ratings)
Free
HbA1c Calculator – Blood Sugar screenshot 1
HbA1c Calculator – Blood Sugar screenshot 2
HbA1c Calculator – Blood Sugar screenshot 3

This calculator estimates your blood sugar level using the HbA1c formula. It helps users quickly determine potential diabetes status or monitor blood sugar for those diagnosed. Results are provided in both mg/dl and mmol/L units.

More A1C Calculator apps to explore

4
A1c Monitor for Dexcom G7
A1c Monitor for Dexcom G7
A1c Monitor for Dexcom G7
Continuous A1C For CGM
Free

Effortlessly track your estimated A1C with this app that pulls glucose data directly from Apple Health. It provides continuous insights into long-term glucose trends without manual logging or fingersticks.

Automatic A1C estimationReads data from Apple HealthSupports CGMs syncing to Apple Health
💪 Health & Fitness
(0)
ad-supported
5
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
6
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
(161K)
free with in-app purchases
7
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
8
Glucose | Blood Sugar Tracker
Glucose | Blood Sugar Tracker
Glucose | Blood Sugar Tracker
Insulin, Carbs & Diabetes Log
Free

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.

Log blood sugar and other health dataIdentify trends with graphsSchedule blood sugar check reminders
🏥 Medical
(28K)
free with in-app purchases
9
Diabetes App - Diabeto Log
Diabetes App - Diabeto Log
Diabetes App - Diabeto Log
Blood Sugar Glucose Tracker
Free

Track blood glucose levels, medication intake, and carbohydrate consumption in a single view. Monitor trends, set reminders, and receive alerts for hypo/hyperglycemic events. Visualize data with customizable graphs and reports.

Log blood glucose, insulin, and carbsMulti-criteria data searchTagging for records
🏥 Medical
(1.2K)
freemium
10
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(60K)
free
11
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
12
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
📚 Education
(6.3K)
free with in-app purchases
13
Blood Sugar Tracker Glucobyte
Blood Sugar Tracker Glucobyte
Blood Sugar Tracker Glucobyte
A1C Glucose Diabetes Monitor
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
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
(6K)
free with in-app purchases
15
Glucose Buddy+ for Diabetes
Glucose Buddy+ for Diabetes
Glucose Buddy+ for Diabetes
Log Blood Sugar, Carbs, & Meds
$1.99

This app helps manage diabetes by tracking blood sugar, medication, and A1C levels. It offers a food database for carb intake logging, activity tracking, and educational content. Premium features provide advanced analytics and integrations.

Track blood glucose, medication, and A1CLog weight and carb intakeExtensive food database
🏥 Medical
(3.4K)
freemium
16
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Plus Calc
Free

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

Basic and scientific calculationsUnit and currency converterAI-powered math solver with photo recognition
🔧 Utilities
(1.7M)
free with in-app purchases
17
DiabetesPal
DiabetesPal
DiabetesPal
Easy Diabetes Management
Free

Manage your diabetes effectively with this comprehensive health tracking and analysis tool. Log blood glucose, insulin, medications, and more, with powerful visualizations and reports. Integrates with Apple Health and compatible devices for seamless data management.

Blood glucose trackingInsulin and medication loggingKetone and HbA1c monitoring
🏥 Medical
(1.9K)
freemium
18
Calculator·
Calculator·
Calculator·
Big Basic Calculator
Free

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Basic arithmetic operationsPercentage calculationsMultiple color schemes
🔧 Utilities
(33K)
free with in-app purchases
19
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
20
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

FAQ about A1C Calculator

What are the best a1c calculator apps for iPhone?
A1C Calculator Blood Glucose tops our a1c calculator apps ranking as of July 2026, with a 4.1-star average from 116 App Store ratings, and it's free to download.
Yes — 18 of the top a1c calculator apps we rank are free to download, including A1C Calculator Blood Glucose and HbA1c Converter mmol/mol to %.
A1C Calculator Blood Glucose shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 227+ a1c calculator apps on the iOS App Store as of July 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.

Related searches

a1c calculator blood glucose