Best Insulin Calculator Apps

249+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated August 2026

From beginner-friendly picks to power-user tools, our insulin calculator list covers 249+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.

Compare top Insulin Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1T1D1 MobileT1D1 MobileFree4.5★ (24)NoNoSep 2026
2Insulin CalculatorInsulin CalculatorFree1.0★ (7)YesYesJul 2026
3BolusCalcBolusCalcFree3.8★ (23)NoNoAug 2026
4Bolus GuideBolus GuideFree3.8★ (12)NoNoMay 2026
5Glucose Buddy Diabetes TrackerGlucose Buddy Diabetes TrackerFree4.8★ (25K)YesYesSep 2026
6InsuCalc: Carbs, Fats & BolusInsuCalc: Carbs, Fats & BolusFree4.8★ (4)NoYesJul 2026
7AKUH Insulin CalculatorAKUH Insulin CalculatorFree4.3★ (3)NoNoMay 2026
8mySugr - Diabetes Tracker LogmySugr - Diabetes Tracker LogFree4.7★ (33K)NoYesSep 2026

Top Picks for Insulin Calculator

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
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.

BolusCalc#3

BolusCalc by BC Children's Hospital

Insulin Bolus Calculator
Worth Considering
🏥 Medical
3.8(23 ratings)
Free
BolusCalc screenshot 1
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BolusCalc screenshot 4
BolusCalc screenshot 5
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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.

More Insulin Calculator apps to explore

FAQ about Insulin Calculator

What are the best insulin calculator apps for iPhone?
T1D1 Mobile tops our insulin calculator apps ranking as of August 2026, with a 4.5-star average from 24 App Store ratings, and it's free to download.
Yes — 18 of the top insulin calculator apps we rank are free to download, including T1D1 Mobile and Insulin Calculator.
T1D1 Mobile has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ insulin calculator apps on the iOS App Store as of August 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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