Best Insulin Calculator Apps

249+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated August 2026

From beginner-friendly picks to power-user tools, our insulin calculator list covers 249+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.

Compare top Insulin Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1T1D1 MobileT1D1 MobileFree4.5★ (24)NoNoAug 2026
2Insulin CalculatorInsulin CalculatorFree1.0★ (7)YesYesJul 2026
3BolusCalcBolusCalcFree3.8★ (23)NoNoAug 2026
4Bolus GuideBolus GuideFree3.8★ (12)NoNoMay 2026
5Glucose Buddy Diabetes TrackerGlucose Buddy Diabetes TrackerFree4.8★ (25K)YesYesAug 2026
6InsuCalc: Carbs, Fats & BolusInsuCalc: Carbs, Fats & BolusFree4.8★ (4)NoYesJul 2026
7AKUH Insulin CalculatorAKUH Insulin CalculatorFree4.3★ (3)NoNoMay 2026
8mySugr - Diabetes Tracker LogmySugr - Diabetes Tracker LogFree4.7★ (32K)NoYesAug 2026

Top Picks for Insulin Calculator

T1D1 Mobile#1

T1D1 Mobile by T1D1 LLC

Type1 Insulin Calc FDA-Cleared
Editor's Choice
💪 Health & Fitness
4.5(24 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.

BolusCalc#3

BolusCalc by BC Children's Hospital

Insulin Bolus Calculator
Worth Considering
🏥 Medical
3.8(23 ratings)
Free
BolusCalc screenshot 1
BolusCalc screenshot 2
BolusCalc screenshot 3
BolusCalc screenshot 4
BolusCalc screenshot 5
BolusCalc screenshot 6

This app assists with calculating insulin doses for individuals managing diabetes. It offers features for simple bolus calculations, insulin sliding scales, and adjustments based on continuous glucose monitoring data. Supports both Canadian and U.S. blood glucose units.

More Insulin Calculator apps to explore

4
Bolus Guide
Bolus Guide
Bolus Guide
by David Vincent
Free

This app helps individuals with diabetes calculate precise insulin doses for meals and corrections. It uses user-inputted data like carb ratios and current glucose levels to provide exact and rounded insulin amounts, aiming to improve glycemic control and quality of life.

Insulin dose calculationPre-meal bolus calculationCorrection dose calculation
🏥 Medical
(12)
free
5
Glucose Buddy Diabetes Tracker
Glucose Buddy Diabetes Tracker
Glucose Buddy Diabetes Tracker
Log Blood Sugar, Carbs, & Meds
Free

This app helps individuals manage their diabetes by tracking blood sugar, medication, and carb intake. It offers educational content, meal planning assistance, and data export for healthcare providers. Premium features provide advanced analytics and integrations.

Track blood sugar, medication, and A1CLog weight and carb intakeExtensive food database for meal logging
🏥 Medical
(25K)
freemium
6
InsuCalc: Carbs, Fats & Bolus
InsuCalc: Carbs, Fats & Bolus
InsuCalc: Carbs, Fats & Bolus
Calculate your insulin bolus
Free

This app helps individuals with type 1 diabetes calculate split-bolus insulin doses for complex meals containing fats and proteins. It converts meal macros into equivalent carb portions and suggests initial and extended bolus percentages, along with absorption time. An AI feature can analyze meal photos to detect macros automatically.

Split-bolus dosing for complex mealsCalculates initial and extended bolus percentagesEstimates total absorption time
💪 Health & Fitness
(4)
freemium
7
AKUH Insulin Calculator
AKUH Insulin Calculator
AKUH Insulin Calculator
by Aga Khan Hospital and Medical College Foundation
Free

This tool assists medical professionals in adjusting insulin infusion rates. It calculates the necessary adjustments based on a patient's current and previous blood glucose levels, along with their current infusion rate.

Calculate insulin infusion ratesInput current blood glucoseInput prior blood glucose
💪 Health & Fitness
(3)
free
8
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
🏥 Medical
(32K)
free with in-app purchases
9
Glucose and Insulin Calculator
Glucose and Insulin Calculator
Glucose and Insulin Calculator
Diabetes buddy for tracking
Free
🏥 Medical
(0)
10
Insulin Log
Insulin Log
Insulin Log
Simple & Smart Glucose Tracker
Free
🏥 Medical
(0)
11
Calculator - Calc
Calculator - Calc
Calculator - Calc
Calculator
Free
📚 Education
(0)
12
Obstetrum: OB-GYN Calculator
Obstetrum: OB-GYN Calculator
Obstetrum: OB-GYN Calculator
Gestational Age & Fetal Weight
Free
🏥 Medical
(0)
13
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
🏥 Medical
(28K)
free with in-app purchases
14
Bolus Calculator
Bolus Calculator
Bolus Calculator
Your Bolus under control!
Free

Easily calculate meal boluses by counting carbs and selecting food items. Save meals as templates and access a database of tens of thousands of products with updated carbohydrate content. Synchronize data across devices for shared management.

Carbohydrate countingMeal bolus calculationFood database with EAN scan
💪 Health & Fitness
(1)
free with in-app purchases
15
PreciseDM
PreciseDM
PreciseDM
Personalized Insulin Dosing
Free
💪 Health & Fitness
(0)
16
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$1.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
📚 Education
(6.3K)
free with in-app purchases
17
Glooko - Track Diabetes Data
Glooko - Track Diabetes Data
Glooko - Track Diabetes Data
Take control of your diabetes
Free

This app helps individuals manage their diabetes by tracking blood glucose, insulin, weight, exercise, food, and medications. It facilitates remote collaboration with healthcare providers by sharing data and reports, enabling better informed health decisions.

Track blood glucose, insulin, weight, exercise, food, and medicationsSync data from over 200 diabetes devicesShare health data with care teams
🏥 Medical
(9.5K)
free
18
KomaDose AI Insulin Calculator
KomaDose AI Insulin Calculator
KomaDose AI Insulin Calculator
AI Enhanced Insulin Calculator
Free

This app assists individuals using fast-acting mealtime insulin by calculating precise insulin doses based on blood glucose and carbohydrate intake. It also features AI-powered meal photo analysis for carb estimation, dose history tracking, and management of medical contacts and appointments.

AI-powered insulin dose calculationAI carb counting from meal photosDose history and calendar logging
🏥 Medical
(1)
ad-supported
19
Vialwise - Peptide Calculator
Vialwise - Peptide Calculator
Vialwise - Peptide Calculator
Peptide calculator & tracker
Free

This app helps users calculate peptide dosages with a dual-direction calculator and access a library of researched peptide information. It allows users to log doses, track vial inventory, and export protocol data. The core calculator and library remain free, with advanced tracking features available via a one-time purchase.

Dual-direction peptide calculatorResearched peptide library with citationsProtocol saving and logging
💪 Health & Fitness
(2)
free with in-app purchases
20
Insulin Protocol Calculator
Insulin Protocol Calculator
Insulin Protocol Calculator
by Crystal Clear Solutions
$0.99

Calculates insulin bolus and infusion rates based on glucose values and infusion history. It offers recommendations for perioperative, ICU, or medical floor glucose control.

Determines insulin bolus requirementsCalculates infusion rate needsUses Portland Insulin protocol
🏥 Medical
(6)
paid

FAQ about Insulin Calculator

What are the best insulin calculator apps for iPhone?
T1D1 Mobile tops our insulin calculator apps ranking as of August 2026, with a 4.5-star average from 24 App Store ratings, and it's free to download.
Yes — 18 of the top insulin calculator apps we rank are free to download, including T1D1 Mobile and Insulin Calculator.
T1D1 Mobile has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ insulin calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
T1D1 Mobile is an FDA-cleared medical device designed to help individuals with Type 1 Diabetes calculate insulin doses, track glucose, insulin, and carb intake. It provides essential tools for daily diabetes management, especially for those using multiple daily injections.
The app is intended for people with Type 1 Diabetes aged 2 years and older who use multiple daily injections of rapid-acting insulin. This includes newly diagnosed individuals, those working with school nurses, and caregivers assisting with diabetes management.

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