Best Glucose And Insulin Calculator Apps

240+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated October 2026

Every iPhone needs a few good glucose and insulin calculator apps. We benchmark 240+ 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 Glucose And Insulin Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Glucose and Insulin CalculatorGlucose and Insulin CalculatorFree—NoYesJun 2026
2Glucose CompanionGlucose CompanionFree4.4★ (473)YesNoOct 2026
3T1D1 MobileT1D1 MobileFree4.7★ (97)NoNoOct 2026
4Sugar Hub: Glucose & InsulinSugar Hub: Glucose & InsulinFree4.1★ (9)NoYesOct 2026
5A1C Calculator Blood GlucoseA1C Calculator Blood GlucoseFree4.1★ (116)YesYesOct 2026
6Smart Bolus CalculatorSmart Bolus CalculatorFree5.0★ (2)NoNoJun 2026
7OneTouch Reveal® appOneTouch Reveal® appFree4.8★ (162K)NoNoOct 2026
8Smart BolusSmart BolusFree4.7★ (22)NoNoOct 2026

Top Picks for Glucose And Insulin Calculator

Glucose Companion#2

Glucose Companion by 倩 赵

Blood Sugar and Weight Tracker
Strong Contender
🏥 Medical
4.4😊(473 ratings)
FreeAds
Glucose Companion screenshot 1
Glucose Companion screenshot 2
Glucose Companion screenshot 3
Glucose Companion screenshot 4
Glucose Companion screenshot 5

Monitor your blood sugar and weight with this comprehensive tracker. Easily log readings, add notes, and visualize trends with charts. The app helps you understand your glucose levels, calculate insulin needs, and share data with your doctor for better diabetes management.

What We Love

  • 👍 Easy to use
  • 📊 Helpful for tracking and reporting
  • 🚀 Convenient for diabetic management
  • 💻 Works well on various devices

Room to Improve

  • 🔍 Limited customization options
  • 🔋 Excessive ads disrupting usage
  • 🐛 Occasional bugs and glitches
  • 🔒 Concerns about data privacy and security
T1D1 Mobile#3

T1D1 Mobile by T1D1

Type1 Insulin Calc FDA-Cleared
Worth Considering
💪 Health & Fitness
4.7(97 ratings)
Free
T1D1 Mobile screenshot 1
T1D1 Mobile screenshot 2
T1D1 Mobile screenshot 3
T1D1 Mobile screenshot 4
T1D1 Mobile screenshot 5

This app helps individuals with Type 1 Diabetes calculate insulin doses, track glucose, insulin, and carb intake. It's designed for those using multiple daily injections and newly diagnosed patients, offering essential tools for daily management. The app is FDA-cleared and free to use.

More Glucose And Insulin Calculator apps to explore

FAQ about Glucose And Insulin Calculator

Are there free glucose and insulin calculator apps for iPhone?
Yes — 20 of the top glucose and insulin calculator apps we rank are free to download, including Glucose and Insulin Calculator and Glucose Companion.
Glucose and Insulin Calculator has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 240+ glucose and insulin calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.