Best Insulin Calculator Apps

201+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our insulin calculator list covers 201+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Insulin Calculator

BolusCalc#1

BolusCalc by British Columbia's Children's Hospital

Insulin Bolus Calculator
Editor's Choice
🏥 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.

T1D1 Mobile#3

T1D1 Mobile by T1D1 LLC

Type1 Insulin Calc FDA-Cleared
Worth Considering
💪 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.

More Insulin Calculator apps to explore

4
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
(2)
freemium
5
Glucose Buddy Diabetes Tracker
Glucose Buddy Diabetes Tracker
Glucose Buddy Diabetes Tracker
Blood Sugar, Carb, A1C Manager
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
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
7
Glucose | Blood Sugar Tracker
Glucose | Blood Sugar Tracker
Glucose | Blood Sugar Tracker
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
8
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
9
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
10
InPen Smart Pen
InPen Smart Pen
InPen Smart Pen
Smart Dose Calculator, MDI Log
Free

This app automatically tracks insulin doses and provides personalized recommendations based on glucose levels, meals, and active insulin. It helps prevent over- or under-dosing and integrates with CGM data and Apple Health for a comprehensive view of your diabetes management.

Automatic dose recordingPersonalized insulin recommendationsCGM data synchronization
🏥 Medical
(184)
free with in-app purchases
11
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
(9.3K)
free
12
Insulin-Rx
Insulin-Rx
Insulin-Rx
by Adam Lyko
Free
$0.99 | 100% OFF

This medical app assists healthcare professionals in calculating insulin doses for basal-bolus therapy. It offers efficient input methods and provides key metrics like insulin units/kg/day, carbohydrate ratios, and sensitivity factors. Additional tools include A1C conversion and BMI calculation.

Insulin dose calculationBasal-bolus therapy supportPatient weight and TDD input via sliders
🏥 Medical
(3)
free
13
DiabetesPal
DiabetesPal
DiabetesPal
Easy Diabetes Management
Free

Manage your diabetes effectively with this comprehensive health tracking and analysis tool. Log blood glucose, insulin, medications, and more, with powerful visualizations and reports. Integrates with Apple Health and compatible devices for seamless data management.

Blood glucose trackingInsulin and medication loggingKetone and HbA1c monitoring
🏥 Medical
(1.9K)
freemium
14
Calculate by QxMD
Calculate by QxMD
Calculate by QxMD
Medical Calculator
Free

This clinical calculator and decision support tool offers over 200 medical calculators and tools for diagnosis, treatment, and prognosis. It adapts to your practice and provides detailed references, integrating with PubMed and Read by QxMD.

Over 200 medical calculatorsClinical decision support toolsCardiology, internal medicine, and more
🏥 Medical
(5.1K)
free with in-app purchases
15
Jade Insulin Dose Calc
Jade Insulin Dose Calc
Jade Insulin Dose Calc
Upgrade Your Diabetes
Free

This app helps manage diabetes by calculating insulin doses and predicting blood glucose levels. It integrates with various health devices and offers detailed logging and reporting for better diabetes control.

Insulin dose calculatorBlood glucose predictionIntegrates with Apple Health
🏥 Medical
(72)
free with in-app purchases
16
Diabetes Tracker by MyNetDiary
Diabetes Tracker by MyNetDiary
Diabetes Tracker by MyNetDiary
Blood glucose, sugar, carbs
Free

This app helps users manage diabetes by tracking blood glucose, food intake, exercise, and medications. It offers detailed analysis, personalized feedback, and support to improve diet and control blood sugar levels. Designed for various diabetes types, it aims to empower users in their health journey.

Comprehensive blood glucose trackingFood and carb tracking with barcode scannerExercise tracking with GPS
🏥 Medical
(5.9K)
free with in-app purchases
17
Diabetes Personal Calculator
Diabetes Personal Calculator
Diabetes Personal Calculator
by iTenuto Soft
$0.99

This app helps Type 1 diabetics calculate pre-meal insulin doses. It features a carbohydrate database, allows for personalized food entries, and tracks daily glucose readings and insulin doses.

Insulin dose calculationCarbohydrate databaseFood and meal logging
💪 Health & Fitness
(6)
paid
18
Sugar Hub: Glucose & Insulin
Sugar Hub: Glucose & Insulin
Sugar Hub: Glucose & Insulin
Blood Sugar & Diabetes Tracker
Free

Easily log, track, and organize blood sugar, insulin, and A1C data. Visualize trends with charts and export reports for your healthcare provider. This intuitive tool simplifies diabetes management.

Log blood sugar readings with tagsTrack basal and bolus insulin dosesMonitor A1C levels and trends
🏥 Medical
(8)
free with in-app purchases
19
Diabetes:M
Diabetes:M
Diabetes:M
Manage Diabetes Like a Pro!
Free

This app helps users manage diabetes by tracking blood glucose, food intake, and exercise. It provides detailed reports, charts, and statistics, and can analyze data from various glucometers and insulin pumps. An Apple Watch app and Health app integration are also available.

Blood glucose trackingNutrition databaseExercise logging
🏥 Medical
(988)
freemium
20
ClevCalc - Calculator
ClevCalc - Calculator
ClevCalc - Calculator
All-In-One Calculator
Free

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

Scientific calculatorUnit converterCurrency converter
📊 Productivity
(12K)
free with in-app purchases

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