Best Insulin Apps

210+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

Looking for free insulin apps? 20 of our 210+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Insulin

Glucose Buddy Diabetes Tracker#1

Glucose Buddy Diabetes Tracker by Azumio Inc.

Blood Sugar, Carb, A1C Manager
Editor's Choice
🏥 Medical
4.8😐(25K ratings)
FreeAdsIn-App Purchases
#78in Medical
Glucose Buddy Diabetes Tracker screenshot 1
Glucose Buddy Diabetes Tracker screenshot 2
Glucose Buddy Diabetes Tracker screenshot 3
Glucose Buddy Diabetes Tracker screenshot 4
Glucose Buddy Diabetes Tracker screenshot 5
Glucose Buddy Diabetes Tracker screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 👍 Helpful for managing diabetes
  • 📊 Useful tracking and reporting features
  • 💪 Improved health outcomes

Room to Improve

  • 🐛 Bugs and glitches after updates
  • 💰 Expensive premium subscription
  • 📈 Inaccurate A1C estimates
Glucose | Blood Sugar Tracker#2

Glucose | Blood Sugar Tracker by App Sub 1 LLC

Diabetes Log
Strong Contender
🏥 Medical
4.6😞(28K ratings)
FreeIn-App Purchases
#25in Medical
Glucose | Blood Sugar Tracker screenshot 1
Glucose | Blood Sugar Tracker screenshot 2
Glucose | Blood Sugar Tracker screenshot 3
Glucose | Blood Sugar Tracker screenshot 4
Glucose | Blood Sugar Tracker screenshot 5

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.

What We Love

  • 👍 Easy to use
  • 🚀 Simple and straightforward
  • 💡 Estimated A1C feature
  • 👍 Graphs and data visualization

Room to Improve

  • 🔒 Subscription model to access full features
  • 🐛 Recent update removed decimal point for glucose entries
  • 🔒 Locked features behind paywall
Glycemic Index Load Net Carbs#3

Glycemic Index Load Net Carbs by WL Online Marketing LLC

Diabetes Diet Glucose & Weight
Worth Considering
🏥 Medical
4.5😐(3.5K ratings)
FreeAdsIn-App Purchases
Glycemic Index Load Net Carbs screenshot 1
Glycemic Index Load Net Carbs screenshot 2
Glycemic Index Load Net Carbs screenshot 3
Glycemic Index Load Net Carbs screenshot 4
Glycemic Index Load Net Carbs screenshot 5
Glycemic Index Load Net Carbs screenshot 6

Manage your health with this app, offering AI-powered recipe generation and tracking for glucose, weight, and blood pressure. It helps users make informed food choices and monitor key health metrics to support diabetes prevention and weight management.

What We Love

  • 👍 Easy to use
  • 🚀 Handy tool for healthy eating
  • 💡 Helpful for managing diabetes
  • ⭐ Great app

Room to Improve

  • 🐛 Difficult to navigate
  • 🐛 Lacking in food database
  • 🐛 Not user-friendly

More Insulin apps to explore

4
Daily Dose — Insulin Log
Daily Dose — Insulin Log
Daily Dose — Insulin Log
Note your daily insulin intake
Free

Easily log your daily insulin injections and blood sugar levels. Sync data with Apple Health and access key information quickly via home screen widgets. Add custom notes for detailed tracking.

Log insulin doses by typeRecord blood sugar levelsSync with Apple Health
🏥 Medical
(77)
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
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
7
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
8
BolusCalc
BolusCalc
BolusCalc
Insulin Bolus Calculator
Free

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.

Simple insulin bolus calculationInsulin sliding scale generationCorrection for CGMS arrows
🏥 Medical
(23)
free
9
SNAQ
SNAQ
SNAQ
Diabetic Meal Log Carb Counter
Free

Easily track your meals and their impact on glucose levels. This app helps count carbs, protein, and fat, while also logging glucose, insulin, and activity data. Discover patterns to improve your diabetes management.

Snap a picture to count nutrientsTrack glucose, insulin, and activityLearn meal impact on glucose
💪 Health & Fitness
(2.7K)
free with in-app purchases
10
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
11
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
12
Blood Sugar Tracker Glucobyte
Blood Sugar Tracker Glucobyte
Blood Sugar Tracker Glucobyte
A1C Glucose Diabetes Tracker
Free

This app helps users record, track, analyze, and share blood glucose data. It supports integration with Apple Health and various glucose meters, allowing for comprehensive diabetes management. Users can log various health metrics, track food intake, and generate shareable reports.

Record & Track blood sugar, insulin, medication, ketones, carbs, weightApple Health and Bluetooth glucose meter integrationFood logging with barcode scanning and macro tracking
🏥 Medical
(1.9K)
free with in-app purchases
13
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
(159K)
free with in-app purchases
14
Sugarmate by Tandem
Sugarmate by Tandem
Sugarmate by Tandem
Maximize Your CGM Data
Free

This app helps individuals manage diabetes by providing tools to maximize continuous glucose monitor (CGM) data. It offers enhanced visualizations, a digital diary for logging trends, and customizable alerts. Data can also be shared with loved ones.

Enhanced CGM data visualizationDigital diary for logging trendsCustomizable tools for alerts
🏥 Medical
(14K)
ad-supported
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
FLwatch: Glucose Sensor Graph
FLwatch: Glucose Sensor Graph
FLwatch: Glucose Sensor Graph
Insulin On Board + Activity
Free

Visualize blood glucose readings from compatible sensors on your iPhone and Apple Watch. Track insulin doses, view insulin-on-board and activity graphs, and integrate data with Apple Health for comprehensive diabetes management.

Blood glucose graph on iPhone and Apple WatchInsulin on Board (IOB) calculationInsulin activity graph
🏥 Medical
(26)
free
17
WUSM OB Insulin
WUSM OB Insulin
WUSM OB Insulin
by Washington University in St. Louis
Free

This medical calculator helps determine the initial insulin dosage for pregnant women. It uses maternal weight and trimester to calculate both long and short-acting insulin doses, offering options for regular or faster-acting medications.

Insulin dose calculation for pregnant womenInput maternal weight and trimesterCalculates long and short-acting insulin
🏥 Medical
(1)
free
18
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
19
Blood sugar diary App
Blood sugar diary App
Blood sugar diary App
by Frank Zander
Free

Track your blood sugar levels with an insulin diary, recording glucose readings, insulin units, and comments. Customize event texts, export data as CSV, and view statistics. A subscription unlocks all features and removes ads.

Record blood sugar and insulin unitsCustomize event textsExport data as CSV
💪 Health & Fitness
(0)
free with in-app purchases
20
Insulin Patch Tracker
Insulin Patch Tracker
Insulin Patch Tracker
Companion for Insulin Patch
Free

This app helps users manage their insulin patch therapy by tracking patch start and expiration times, monitoring insulin levels, and logging doses. It provides smart reminders and historical insights to support daily diabetes management.

Patch timer and expiry trackingInsulin level monitoringInsulin dose logging
💪 Health & Fitness
(2)
free

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