Best A1C Calculator Apps

249+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated October 2026

Every iPhone needs a few good a1c calculator 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 Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1A1C Calculator Blood GlucoseA1C Calculator Blood GlucoseFree4.1★ (116)YesYesOct 2026
2HbA1c Calculator – Blood SugarHbA1c Calculator – Blood SugarFree1.0★ (1)NoNoAug 2026
3A1C Monitor for CGMA1C Monitor for CGMFree5.0★ (70)YesYesOct 2026
4HbA1c Converter mmol/mol to %HbA1c Converter mmol/mol to %Free5.0★ (2)NoYesSep 2026
5OneTouch Reveal® appOneTouch Reveal® appFree4.8★ (162K)NoNoOct 2026
6Calculator: EasyCalcCalculator: EasyCalcFree4.7★ (13)YesYesOct 2026
7Calculator ∞Calculator ∞$5.994.7★ (6.3K)NoYesOct 2026
8Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoOct 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
  • 🖨️ Printable reports for doctor sharing
  • ⚡ Simple manual entry process
  • 🎨 Clean, unobstructed design with minimal ads
  • 💾 Reliable data storage and organization
  • 🔍 Trend analysis and pattern recognition

Room to Improve

  • 💳 Unauthorized billing and subscription charges
  • 🔧 Difficult navigation and confusing interface
  • ⚠️ Misleading app description about functionality
  • 🐛 Calculation discrepancies with medical standards
  • 📱 Limited daily entry options (single reading per day)
  • 🔌 No integration with other health apps
  • 📊 Chart display issues and readability problems
  • ❌ Data update failures and synchronization issues
  • 🎯 Inconsistent glucose average calculations

More A1C Calculator apps to explore

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 October 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 Calculator – Blood Sugar.
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 calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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