Best Insulin Bolus Calculator Apps

205+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated July 2026

With an average user rating of 4.4★, the insulin bolus calculator category is one of the App Store's strongest. Browse all 205+ apps we track, sorted so the most loved ones surface first.

Compare top Insulin Bolus Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BolusCalcBolusCalcFree3.8★ (23)NoNoJun 2026
2Smart BolusSmart BolusFreeNoNoJul 2026
3Smart Bolus CalculatorSmart Bolus CalculatorFree5.0★ (2)NoNoJun 2026
4Bolus GuideBolus GuideFree3.8★ (12)NoNoMay 2026
5mySugr - Diabetes Tracker LogmySugr - Diabetes Tracker LogFree4.7★ (32K)YesYesJul 2026
6InsuCalc: Carbs, Fats & BolusInsuCalc: Carbs, Fats & BolusFree4.8★ (4)NoYesJul 2026
7Bolus CalculatorBolus CalculatorFree5.0★ (1)NoYesJul 2026
8InPen Smart PenInPen Smart PenFree3.9★ (184)YesNoJul 2026

Top Picks for Insulin Bolus 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.

Smart Bolus Calculator#3

Smart Bolus Calculator by Smart Bolus Calculator LLC

Worth Considering
💪 Health & Fitness
5.0(2 ratings)
Free
Smart Bolus Calculator screenshot 1
Smart Bolus Calculator screenshot 2
Smart Bolus Calculator screenshot 3

This app assists individuals with diabetes in calculating insulin doses. It uses personalized settings like insulin-to-carbohydrate ratios and correction factors to determine accurate doses based on carbohydrate intake and current blood glucose levels.

More Insulin Bolus 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
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
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
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
8
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
9
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
10
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
11
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
12
Tandem t:slim Mobile App
Tandem t:slim Mobile App
Tandem t:slim Mobile App
t:slim X2 insulin pump
Free

This app acts as a smartphone companion for a specific insulin pump, allowing users to deliver insulin doses and view pump data remotely. It provides discreet access to essential information and notifications, enhancing convenience for pump users.

Deliver bolus from smartphoneDiscreet secondary pump displayView pump data and notifications
🏥 Medical
(36)
free
13
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
14
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
15
LibreLinkUp
LibreLinkUp
LibreLinkUp
by Newyu, Inc
Free

Monitor and support individuals using a FreeStyle Libre sensor and compatible app. View their glucose levels with a quick glance, receive alerts for high or low glucose, and get notified about sensor status. Understand glucose patterns with history and insights.

Remote glucose monitoringGlucose history and insightsGlucose alarms (high/low)
🏥 Medical
(23K)
free
16
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
17
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(60K)
free
18
OneTouch Reveal® app
OneTouch Reveal® app
OneTouch Reveal® app
Your diabetes management app
Free

This app helps individuals manage their diabetes by tracking blood glucose readings, food intake, insulin, and activity. It visualizes data to identify patterns, offers personalized insights and reminders, and allows users to share progress with their care team.

Blood glucose pattern identificationPersonalized reminders and guidanceDiabetes logbook with color-coded readings
🏥 Medical
(160K)
free with in-app purchases
19
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
🔧 Utilities
(36K)
free with in-app purchases
20
Calculator ∞ - Калькулятор
Calculator ∞ - Калькулятор
Calculator ∞ - Калькулятор
Инженерный Калькулятор
$5.99

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

FAQ about Insulin Bolus Calculator

What are the best insulin bolus calculator apps for iPhone?
BolusCalc tops our insulin bolus calculator apps ranking as of July 2026, with a 3.8-star average from 23 App Store ratings, and it's free to download.
Yes — 18 of the top insulin bolus calculator apps we rank are free to download, including BolusCalc and Smart Bolus.
BolusCalc has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 205+ insulin bolus calculator apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
BolusCalc is designed to help users calculate insulin doses. It offers features for simple bolus calculations, generating insulin sliding scales, and adjusting doses based on continuous glucose monitoring (CGMS) data.
BolusCalc supports calculations in both Canadian mmol/L and U.S. mg/dL blood glucose units, making it adaptable for users in different regions.

Related searches