Best T1D1 Apps

170+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated May 2026

Whether you're new to t1d1 or looking for an upgrade, our curated collection of 170+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top T1D1 Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1T1D1 MobileT1D1 MobileFree4.5★ (24)NoNoAug 2026
2Glucose Buddy Diabetes TrackerGlucose Buddy Diabetes TrackerFree4.8★ (25K)YesYesAug 2026
3Beyond Type 1 DiabetesBeyond Type 1 DiabetesFree4.7★ (487)NoNoJul 2026
4BolusCalcBolusCalcFree3.8★ (23)NoNoAug 2026
5Sugarmate by TandemSugarmate by TandemFree4.7★ (15K)NoNoAug 2026
6Carb Master for Diabetes T1Carb Master for Diabetes T1Free1.0★ (3)NoNoMay 2026
7OneTouch Reveal® appOneTouch Reveal® appFree4.8★ (161K)NoNoAug 2026
8Digest  QuestDigest QuestFree5.0★ (2)NoNoMay 2026

Top Picks for T1D1

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
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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.

Glucose Buddy Diabetes Tracker#2

Glucose Buddy Diabetes Tracker by Azumio Inc.

Log Blood Sugar, Carbs, & Meds
Strong Contender
🏥 Medical
4.8😐(25K ratings)
FreeAdsIn-App Purchases
Glucose Buddy Diabetes Tracker screenshot 1
Glucose Buddy Diabetes Tracker screenshot 2
Glucose Buddy Diabetes Tracker screenshot 3
Glucose Buddy Diabetes Tracker screenshot 4
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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
Beyond Type 1 Diabetes#3

Beyond Type 1 Diabetes by Beyond Type 1

A type 1 diabetes community
Worth Considering
🌐 Social Networking
4.7😊(487 ratings)
Free
Beyond Type 1 Diabetes screenshot 1
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Beyond Type 1 Diabetes screenshot 6

Connect with a supportive community for individuals affected by type 1 diabetes. Share experiences, find practical resources, and get inspiration to thrive with T1D. Available in English and Spanish.

What We Love

  • 👍 Great community for T1 diabetics
  • 💡 Helpful for connecting with others who understand the disease
  • 🚀 Provides useful information and resources
  • 😊 Positive and supportive atmosphere

Room to Improve

  • 🐛 App stability issues, crashes, and loading problems
  • 🔍 Difficulty navigating and finding certain features
  • 🔔 Lack of notification features

More T1D1 apps to explore

4
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
5
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
(15K)
ad-supported
6
Carb Master for Diabetes T1
Carb Master for Diabetes T1
Carb Master for Diabetes T1
Calculate mealtime bolus
Free

This app assists individuals with Type 1 diabetes in calculating mealtime insulin dosages. It helps determine total meal carbs by weighing food or searching a nutritional database, then calculates the correct insulin units based on personal ratios and correction factors. It also integrates with Apple Health to track meal data.

Mealtime insulin dosage calculationCarb counting via food weighingUSDA nutritional database search
💪 Health & Fitness
(3)
free
7
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
(161K)
free with in-app purchases
8
Digest  Quest
Digest  Quest
Digest Quest
by T1D1 LLC
Free

This app helps parents and children track factors contributing to soiling caused by constipation. It collects data to help determine treatment effectiveness and identify contributing factors, aiming to free children from soiling.

Track soiling contributing factorsMonitor treatment effectivenessIdentify constipation triggers
💪 Health & Fitness
(2)
free
9
Happy Bob
Happy Bob
Happy Bob
Your Diabetes Companion
Free

This app transforms diabetes data into engaging experiences, connecting with CGMs to help users stay in range and reduce management stress. It offers fun glucose tracking, motivating goals, and community support, designed by people with diabetes for a more personal approach.

Connects with CGMs (Dexcom, FreeStyle Libre)Fun glucose tracking with personalized messagesMotivating goal setting with star rewards
🏥 Medical
(1.1K)
freemium
10
CalorieKing Food Search
CalorieKing Food Search
CalorieKing Food Search
Food Nutrition Database
Free

Access a comprehensive database of over 100,000 foods, including fast food options, to easily check calorie, carbohydrate, and fat content. Get detailed nutritional information for informed dietary choices and health goals.

Over 100,000 food entries260+ fast food chainsDetailed nutritional breakdown
💪 Health & Fitness
(298)
free with in-app purchases
11
Omnipod 5 App
Omnipod 5 App
Omnipod 5 App
by Insulet Corporation
Free

This app manages an automated insulin delivery system, integrating with continuous glucose monitors to automatically adjust insulin. It allows users to control basal profiles, deliver boluses, and manage their insulin pump. Designed for individuals with Type 1 and Type 2 diabetes.

Automated insulin deliveryCGM integration (Dexcom G6/G7)Adjusts insulin delivery
🏥 Medical
(1.5K)
free
12
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
13
sugar.fit
sugar.fit
sugar.fit
Your path back from Diabetes
Free

This app helps reverse Type 2 Diabetes and prediabetes in India through personalized diet plans, continuous glucose monitoring, and expert guidance. It focuses on natural methods, lifestyle changes, and addressing the root cause of high blood sugar without fad dieting.

Diabetes Reversal ProgramContinuous Glucose Monitoring (CGM)Personalized Diet Plans
🏥 Medical
(174)
free with in-app purchases
14
Diabetes Pilot Pro
Diabetes Pilot Pro
Diabetes Pilot Pro
by Digital Altitudes, LLC
Free

Manage your diabetes with a comprehensive tool that tracks glucose, medications, meals, and more. Generate customizable reports, scan food barcodes, and estimate HbA1C. Syncs across devices for seamless data management.

Health app integrationCustomizable reportsFood database with barcode scanning
🏥 Medical
(65)
free with in-app purchases
15
twiist AID System
twiist AID System
twiist AID System
Personalized diabetes control
Free

This smart system proactively adjusts basal insulin and personalizes care to help prevent highs and lows for individuals with type 1 diabetes. It offers an all-in-one dashboard for essential data, seamless integration with wearables, and advanced blockage detection for reliable insulin delivery.

Automated insulin deliveryPersonalized diabetes control6-hour glucose prediction
🏥 Medical
(24)
free
16
Diabetes Type 2 by Nourishly
Diabetes Type 2 by Nourishly
Diabetes Type 2 by Nourishly
Lifestyle Change/Blood Glucose
Free

This app helps individuals with Type 2 Diabetes or Pre-Diabetes make crucial lifestyle changes. It offers tools to track blood glucose, medications, and activity, alongside science-backed missions and coping skills for better management.

Log blood glucose, carbs, insulin, and activityLearn how lifestyle affects blood sugarLink with care team for feedback
🏥 Medical
(95)
free
17
Level One: A Diabetes Game
Level One: A Diabetes Game
Level One: A Diabetes Game
T1D: Master Insulin & Glucose
Free

This educational game helps individuals with Type 1 Diabetes and their caregivers master essential management concepts. It covers insulin dosing, glucose monitoring, and managing blood sugar highs and lows through engaging, bite-sized levels. Learn advanced topics like ketones and exercise in a fun, interactive format.

Insulin dosing and bolus calculationInsulin sensitivity factors (ISF)Carb counting and carb ratios
🏥 Medical
(213)
free
18
Bezzy Type 2 Diabetes
Bezzy Type 2 Diabetes
Bezzy Type 2 Diabetes
Type 2 Diabetes Community
Free

This app provides a safe and supportive online community for individuals living with type 2 diabetes. Connect with others through forums, live chats, and one-to-one messaging to share experiences, get advice, and find understanding.

Type 2 diabetes communityOne-to-one chatsConversation forums
💪 Health & Fitness
(1.1K)
free
19
1DOC3
1DOC3
1DOC3
by 1DOC3 SAS
Free

Access corporate health benefits for your family's physical and mental well-being. Consult with specialists, develop healthy habits, and track your fitness. Earn rewards and recognition for your healthy lifestyle achievements.

Corporate health benefitsMedical consultationsSpecialist access (general medicine, nutrition, psychology, pediatrics, sexual health, veterinary)
🏥 Medical
(199)
free with in-app purchases
20
DAFNE Online
DAFNE Online
DAFNE Online
by Simon Fisher
Free

This app provides a support network for individuals with Type 1 Diabetes who have completed the Dose Adjustment For Normal Eating course. It offers a blood glucose diary, carbohydrate lists, news, and forums to help manage diabetes on the go.

Blood glucose diaryCarbohydrate portion listsMedication tracking
💪 Health & Fitness
(1)
free

FAQ about T1D1

What are the best t1d1 apps for iPhone?
T1D1 Mobile tops our t1d1 apps ranking as of May 2026, with a 4.5-star average from 24 App Store ratings, and it's free to download.
Yes — 20 of the top t1d1 apps we rank are free to download, including T1D1 Mobile and Glucose Buddy Diabetes Tracker.
T1D1 Mobile has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 170+ t1d1 apps on the iOS App Store as of May 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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