Best A1C Apps

249+ iOS apps curated and reviewed

4.0 avg rating
19 free apps
Updated October 2026

Every iPhone needs a few good a1c apps. We benchmark 249+ 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 (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1A1C Calculator Blood GlucoseA1C Calculator Blood GlucoseFree4.1โ˜… (120)YesYesOct 2026
2A1C Monitor for CGMA1C Monitor for CGMFree4.9โ˜… (68)YesYesOct 2026
3Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6โ˜… (29K)NoYesOct 2026
4A1C InsightsA1C InsightsFreeโ€”NoYesOct 2026
5Glucose tracker++Glucose tracker++Free4.5โ˜… (1.5K)NoYesOct 2026
6A1C RebootA1C RebootFreeโ€”โ€”NoAug 2026
7A1C {JCS}A1C {JCS}$0.99โ€”NoNoJul 2026
8HbA1c Converter mmol/mol to %HbA1c Converter mmol/mol to %Free5.0โ˜… (2)NoYesOct 2026

Top Picks for A1C

4.1๐Ÿ˜Š(120 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
  • ๐Ÿ–จ๏ธ Printable reports for doctor sharing
  • โšก Simple manual entry process
  • ๐ŸŽจ Clean, unobstructed design with minimal ads
  • ๐Ÿ’พ Reliable data storage and organization
  • ๐Ÿ” Trend analysis and pattern recognition

Room to Improve

  • ๐Ÿ’ณ Unauthorized billing and subscription charges
  • ๐Ÿ”ง Difficult navigation and confusing interface
  • โš ๏ธ Misleading app description about functionality
  • ๐Ÿ› Calculation discrepancies with medical standards
  • ๐Ÿ“ฑ Limited daily entry options (single reading per day)
  • ๐Ÿ”Œ No integration with other health apps
  • ๐Ÿ“Š Chart display issues and readability problems
  • โŒ Data update failures and synchronization issues
  • ๐ŸŽฏ Inconsistent glucose average calculations
A1C Monitor for CGM#2

A1C Monitor for CGM by Free Ai APPs

For DEXCOM G7 & Stelo Users
4.9(68 ratings)
FreeAdsIn-App Purchases
A1C Monitor for CGM screenshot 1
A1C Monitor for CGM screenshot 2
A1C Monitor for CGM screenshot 3
A1C Monitor for CGM screenshot 4
A1C Monitor for CGM screenshot 5

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
๐Ÿฅ Medical
4.6๐Ÿ˜ž(29K ratings)
FreeIn-App Purchases
#26in 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

  • ๐Ÿ‘ Easy to use
  • ๐Ÿš€ Simple and straightforward
  • ๐Ÿ’ก Estimated A1C feature
  • ๐Ÿ‘ Graphs and data visualization

Room to Improve

  • ๐Ÿ”’ Subscription model to access full features
  • ๐Ÿ› Recent update removed decimal point for glucose entries
  • ๐Ÿ”’ Locked features behind paywall
  • ๐Ÿ”’ Sudden changes to free version

More A1C apps to explore

FAQ about A1C

What are the best a1c apps for iPhone?
A1C Calculator Blood Glucose tops our a1c apps ranking as of October 2026, with a 4.1-star average from 120 App Store ratings, and it's free to download.
Yes โ€” 19 of the top a1c apps we rank are free to download, including A1C Calculator Blood Glucose and A1C Monitor for CGM.
A1C Calculator Blood Glucose shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 249+ a1c apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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