Best A1C Apps

250+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated September 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 (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1A1C Calculator Blood GlucoseA1C Calculator Blood GlucoseFree4.1โ˜… (116)YesYesOct 2026
2A1C Monitor for CGMA1C Monitor for CGMFree5.0โ˜… (70)YesYesOct 2026
3Glucose tracker++Glucose tracker++Free4.5โ˜… (1.5K)NoYesSep 2026
4Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6โ˜… (28K)NoYesOct 2026
5A1C InsightsA1C InsightsFreeโ€”NoYesSep 2026
6A1C {JCS}A1C {JCS}$0.99โ€”NoNoJul 2026
7HbA1c Calculator โ€“ Blood SugarHbA1c Calculator โ€“ Blood SugarFree1.0โ˜… (1)NoNoAug 2026
8HbA1c Converter mmol/mol to %HbA1c Converter mmol/mol to %Free5.0โ˜… (2)NoYesSep 2026

Top Picks for A1C

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
  • 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
Glucose tracker++#3

Glucose tracker++ by 7Logic LLC

Log a1c โ€” Blood sugar tracking
Worth Considering
๐Ÿฅ Medical
4.5๐Ÿ˜ž(1.5K ratings)
FreeIn-App Purchases
Glucose tracker++ screenshot 1
Glucose tracker++ screenshot 2
Glucose tracker++ screenshot 3

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.

What We Love

  • ๐Ÿ‘ Simple and easy to use
  • ๐Ÿ“Š Provides estimated A1C
  • ๐Ÿ’ป Works across devices

Room to Improve

  • ๐Ÿ’ฐ Expensive subscription model
  • ๐Ÿ” Lack of advanced features
  • ๐Ÿ” Missing data export/sharing options
  • ๐Ÿ” Inaccurate blood sugar thresholds
  • ๐Ÿ“ข Intrusive ads

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 September 2026, with a 4.1-star average from 116 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 September 2026.
We track 250+ a1c apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

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