Best A1C Apps

250+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated August 2026

Every iPhone needs a few good a1c apps. We benchmark 250+ 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 (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1A1c Monitor for Dexcom G7A1c Monitor for Dexcom G7Freeโ€”YesNoAug 2026
2A1C Calculator Blood GlucoseA1C Calculator Blood GlucoseFree4.1โ˜… (116)YesYesJul 2026
3A1C InsightsA1C InsightsFreeโ€”NoYesAug 2026
4Glucose tracker++Glucose tracker++Free4.5โ˜… (1.5K)NoYesJun 2026
5HbA1c Converter mmol/mol to %HbA1c Converter mmol/mol to %Free was $0.495.0โ˜… (2)NoYesMay 2026
6Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6โ˜… (28K)NoYesAug 2026
7mySugr - Diabetes Tracker LogmySugr - Diabetes Tracker LogFree4.7โ˜… (32K)NoYesAug 2026
8OneTouch Revealยฎ appOneTouch Revealยฎ appFree4.8โ˜… (161K)NoNoAug 2026

Top Picks for A1C

A1c Monitor for Dexcom G7#1

A1c Monitor for Dexcom G7 by Free Ai APPs

Continuous A1C For CGM
Editor's Choice
๐Ÿ’ช 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.

A1C Calculator Blood Glucose#2

A1C Calculator Blood Glucose by Feizan Ulhaq

Calculate & Track hbA1C
Strong Contender
๐Ÿ’ช Health & Fitness
4.1๐Ÿ˜Š(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

  • ๐Ÿ‘ Easy to use and intuitive interface
  • ๐Ÿ“Š Helpful A1C tracking and prediction without waiting 3 months
  • ๐Ÿ“ˆ Clear graphical history and data visualization
  • ๐ŸŽฏ Accurate glucose monitoring and recording

Room to Improve

  • ๐Ÿ’ณ Unauthorized billing and subscription charges
  • ๐Ÿ”ง Difficult navigation and confusing interface
  • โš ๏ธ Misleading app description about functionality

More A1C apps to explore

4
Glucose tracker++
Glucose tracker++
Glucose tracker++
Log a1c โ€” 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
๐Ÿฅ Medical
(1.5K)
freemium
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
๐Ÿ”ง Utilities
(2)
free with in-app purchases
6
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
๐Ÿฅ Medical
(28K)
free with in-app purchases
7
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
๐Ÿฅ Medical
(32K)
free with in-app purchases
8
OneTouch Revealยฎ app
OneTouch Revealยฎ app
OneTouch Revealยฎ 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
๐Ÿฅ Medical
(161K)
free with in-app purchases
9
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
๐Ÿ’ช Health & Fitness
(7)
free
10
A1C Reboot
A1C Reboot
A1C Reboot
by A1C Reboot, LLC
Free
๐Ÿ’ช Health & Fitness
(0)
11
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
๐Ÿฅ Medical
(2)
free
12
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
๐Ÿ’ช Health & Fitness
(13K)
free
13
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
๐Ÿฅ Medical
(8)
free with in-app purchases
14
HbA1c Calculator โ€“ Blood Sugar
HbA1c Calculator โ€“ Blood Sugar
HbA1c Calculator โ€“ 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
๐Ÿฅ Medical
(1)
free
15
A1C {JCS}
A1C {JCS}
A1C {JCS}
Track Glucose, BP & A1C
$0.99
๐Ÿฅ Medical
(0)
16
Sugar Sense: CGM & A1C Tracker
Sugar Sense: CGM & A1C Tracker
Sugar Sense: CGM & A1C Tracker
Blood Sugar & Glucose Monitor
Free

Monitor glucose levels in real-time with critical alerts and family sharing. Integrates with Libre CGM systems for instant data access, event logging, and notifications. Stay informed on your Lock Screen, Dynamic Island, and Apple Watch.

Real-time glucose trackingCritical alert callsFamily sharing and alerts
๐Ÿฅ Medical
(7)
free with in-app purchases
17
HbA1c
HbA1c
HbA1c
by DOCTOT
Free
๐Ÿฅ Medical
(0)
18
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
๐Ÿฅ Medical
(1.9K)
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
๐Ÿ’ช Health & Fitness
(3.1K)
free
20
CarbTrack: Glucose Tracker
CarbTrack: Glucose Tracker
CarbTrack: Glucose Tracker
See how every meal affects you
Free
๐Ÿ’ช Health & Fitness
(0)

FAQ about A1C

Are there free a1c apps for iPhone?
Yes โ€” 19 of the top a1c apps we rank are free to download, including A1c Monitor for Dexcom G7 and A1C Calculator Blood Glucose.
A1c Monitor for Dexcom G7 shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ a1c apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
A1c Monitor for Dexcom G7 automatically calculates your estimated A1C by pulling glucose data directly from Apple Health. This data is synced from your Continuous Glucose Monitor (CGM).
This app is compatible with iPhones and iPods. It works with all CGMs that sync data to Apple Health, including Dexcom and Abbott Freestyle Libre.

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