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Best A1C Calculator Blood Glucose Apps

249+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated August 2026

With an average user rating of 4.2★, the a1c calculator blood glucose category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.

Compare top A1C Calculator Blood Glucose Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1A1C Calculator Blood GlucoseA1C Calculator Blood GlucoseFree4.1★ (116)YesYesJul 2026
2A1c Monitor for Dexcom G7A1c Monitor for Dexcom G7Free—YesNoAug 2026
3Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6★ (28K)NoYesAug 2026
4HbA1c Converter mmol/mol to %HbA1c Converter mmol/mol to %Free was $0.495.0★ (2)NoYesMay 2026
5HbA1c Calculator – Blood SugarHbA1c Calculator – Blood SugarFree1.0★ (1)NoNoMay 2026
6OneTouch Reveal® appOneTouch Reveal® appFree4.8★ (161K)NoNoAug 2026
7Glucose Buddy Diabetes TrackerGlucose Buddy Diabetes TrackerFree4.8★ (25K)YesYesAug 2026
8iHealth Gluco-SmartiHealth Gluco-SmartFree4.8★ (13K)NoNoAug 2026

Top Picks for A1C Calculator Blood Glucose

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
A1c Monitor for Dexcom G7#2

A1c Monitor for Dexcom G7 by Free Ai APPs

Continuous A1C For CGM
Strong Contender
💪 Health & Fitness
0.0(0 ratings)
FreeAds
A1c Monitor for Dexcom G7 screenshot 1
A1c Monitor for Dexcom G7 screenshot 2
A1c Monitor for Dexcom G7 screenshot 3

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.

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
#21in 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, 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 Calculator Blood Glucose apps to explore

4
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
5
HbA1c Calculator – Blood Sugar
HbA1c Calculator – Blood Sugar
HbA1c Calculator – Blood Sugar
Estimate Blood Sugar Diabetes
Free

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.

Automatic HbA1c formula calculationEstimated blood sugar resultsResults in mg/dl and mmol/L
🏥 Medical
(1)
free
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 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
8
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
9
Blood Sugar & Glucose Diary
Blood Sugar & Glucose Diary
Blood Sugar & Glucose Diary
Diabetes Tracker HbA1c Insulin
Free
💪 Health & Fitness
(0)
10
Glucose Compass: Diabetes Log
Glucose Compass: Diabetes Log
Glucose Compass: Diabetes Log
Type 1 Diabetes Tracker
Free
💪 Health & Fitness
(0)
11
TNZ Glucose Converter
TNZ Glucose Converter
TNZ Glucose Converter
Blood Glucose Converter
Free
🏥 Medical
(0)
12
Blood Sugar & Reminder
Blood Sugar & Reminder
Blood Sugar & Reminder
Diabetes Tracker & Log
Free
💪 Health & Fitness
(0)
13
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
14
Smart Bolus
Smart Bolus
Smart Bolus
Smart Insulin Dose Calculator
Free
💪 Health & Fitness
(0)
15
Blood Sugar Unit Converter
Blood Sugar Unit Converter
Blood Sugar Unit Converter
mmol/L to mg/dL and vice versa
Free
$1.59 | 100% OFF

Easily convert blood glucose readings between mmol/L and mg/dL. This utility also includes a feature for HbA1c conversion, providing a quick and straightforward way to manage your diabetes data.

mmol/L to mg/dL conversionmg/dL to mmol/L conversionHbA1c conversion
🔧 Utilities
(3)
free with in-app purchases
16
GluCalc
GluCalc
GluCalc
by Alberto Clop
Free
🏥 Medical
(0)
17
BareBolus
BareBolus
BareBolus
by DiaBolus AS
Free
🔧 Utilities
(0)
18
Glucose Logbook | Vakaa
Glucose Logbook | Vakaa
Glucose Logbook | Vakaa
Blood Sugar Tracker & Reports
Free
🏥 Medical
(0)
19
Blood Sugar Tracker:GlucoTrack
Blood Sugar Tracker:GlucoTrack
Blood Sugar Tracker:GlucoTrack
Daily blood sugar & health log
Free
🏥 Medical
(0)
20
Blood Sugar Monitor - GlucoAI
Blood Sugar Monitor - GlucoAI
Blood Sugar Monitor - GlucoAI
Log Glucose Sugar A1C Insulin
Free
🏥 Medical
(0)

FAQ about A1C Calculator Blood Glucose

What are the best a1c calculator blood glucose apps for iPhone?
A1C Calculator Blood Glucose tops our a1c calculator blood glucose apps ranking as of August 2026, with a 4.1-star average from 116 App Store ratings, and it's free to download.
Yes — 20 of the top a1c calculator blood glucose apps we rank are free to download, including A1C Calculator Blood Glucose and A1c Monitor for Dexcom G7.
A1C Calculator Blood Glucose shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ a1c calculator blood glucose apps on the iOS App Store as of August 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.