Best Simple Insulin Bolus Calculator Apps

210+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated June 2026

BolusCalc is the household name in simple insulin bolus calculator, but it's far from the only option. We track 210+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Simple 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
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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.

mySugr - Diabetes Tracker Log#3

mySugr - Diabetes Tracker Log by mySugr GmbH

Master Your Blood Sugar Level!
Worth Considering
🏥 Medical
4.7😊(32K ratings)
FreeAdsIn-App Purchases
#52in Medical
mySugr - Diabetes Tracker Log screenshot 1
mySugr - Diabetes Tracker Log screenshot 2
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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.

What We Love

  • 👍 Easy to use
  • 🚀 Convenient data tracking
  • 💡 Helpful features like estimated A1C
  • 👍 Integrates with other health apps

Room to Improve

  • 🐛 Connectivity issues with some devices
  • 🔍 Limited customization options
  • 💰 Paid version required for some key features

More Simple Insulin Bolus 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
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
6
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
🔧 Utilities
(126K)
free with in-app purchases
7
Peptide Calculator: PepCalc
Peptide Calculator: PepCalc
Peptide Calculator: PepCalc
Dosage & Reconstitution Tool
Free

This tool simplifies peptide dosage and reconstitution calculations. It accurately determines injection volumes and the correct amount of water for mixing, converting results to insulin syringe units. Designed for researchers and wellness enthusiasts, it ensures precise and confident peptide administration.

Accurate dosage calculationEasy reconstitution calculationInsulin syringe unit conversion
🏥 Medical
(9)
free
8
Calculator·
Calculator·
Calculator·
Big Basic Calculator
Free

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Basic arithmetic operationsPercentage calculationsMultiple color schemes
🔧 Utilities
(33K)
free with in-app purchases
9
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
10
BMI Calculator‰
BMI Calculator‰
BMI Calculator‰
Body Mass Index Calculator
Free

Easily calculate your Body Mass Index (BMI) with this straightforward application. It provides a quick way to understand your weight status based on your height and weight.

BMI calculationInput heightInput weight
💪 Health & Fitness
(24K)
ad-supported
11
Peptide Calculator App
Peptide Calculator App
Peptide Calculator App
Pepcalc Compound & Dosage
Free

This app serves as a comprehensive peptide dosage calculator for researchers and enthusiasts. It offers features like saving calculations, tracking peptide usage, and a reconstitution guide. Users can also explore mixing ratios and export results to PDF.

Syringe size optionsSave and edit calculationsPeptide tracking and history
🏥 Medical
(469)
free with in-app purchases
12
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
13
GraphNCalc83
GraphNCalc83
GraphNCalc83
Graphing calculator
$12.99

This app offers a powerful graphing calculator experience with touch-based input for enhanced interaction. It supports natural textbook notation, advanced math functions, and various plotting capabilities. Users can also utilize its programming features and built-in tools like unit conversion and a periodic table.

Touch-based graphing and editingNatural textbook notation inputAdvanced math and statistical functions
📚 Education
(3.8K)
paid
14
Keto Calculator - Keto Buddy
Keto Calculator - Keto Buddy
Keto Calculator - Keto Buddy
Keto/low carb macro calculator
Free

Calculate your ideal macronutrient intake for ketogenic and other low-carb diets. This free tool helps you determine the right balance of fat, protein, and carbohydrates based on your individual goals and needs.

Macronutrient calculationKetogenic diet supportLow-carb diet support
💪 Health & Fitness
(8.4K)
free
15
Calculator - Free Calculator
Calculator - Free Calculator
Calculator - Free Calculator
by 祥祎 刘
Free

A straightforward and reliable calculator application designed for iPad and iOS 9. It offers a standard calculation experience with a charming piano sound effect and is optimized for high-resolution screens.

Standard calculator functionalityOptimized for iPad & iOS 9High-resolution screen optimization
🔧 Utilities
(1.4K)
free
16
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
17
Calculator with History Tape
Calculator with History Tape
Calculator with History Tape
No Ads Calculator with Memory
Free

This app provides a straightforward calculator experience with a comprehensive history log of all your computations. Customize the keyboard, display, and history records to suit your needs. Easily add annotations and titles to past calculations for better organization.

History record functionDisplay input equationAdjustable keyboard size and font
📊 Productivity
(3.2K)
free with in-app purchases
18
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
19
Simple Calculator.
Simple Calculator.
Simple Calculator.
Basic Casio-style calculator
Free

A straightforward calculator designed for speed and accuracy, mimicking classic pocket calculators. It offers real-world logic, business-focused calculations like cost, sell, and margin, and a clean interface for effortless use.

Real-world logic, no forced order of operationsRunning total displayCost, sell, margin calculations
🔧 Utilities
(1.4K)
ad-supported
20
Glucose Buddy+ for Diabetes
Glucose Buddy+ for Diabetes
Glucose Buddy+ for Diabetes
Blood Sugar, Carb, A1C Tracker
$1.99

This app helps manage diabetes by tracking blood sugar, medication, and A1C levels. It offers a food database for carb intake logging, activity tracking, and educational content. Premium features provide advanced analytics and integrations.

Track blood glucose, medication, and A1CLog weight and carb intakeExtensive food database
🏥 Medical
(3.4K)
freemium