Best Insulin Calculator Apps

249+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated October 2026

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

Compare top Insulin Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1T1D1 MobileT1D1 MobileFree4.7★ (97)NoNoOct 2026
2Insulin CalculatorInsulin CalculatorFree1.0★ (7)YesYesOct 2026
3BolusCalcBolusCalcFree3.9★ (27)NoNoOct 2026
4Smart Bolus CalculatorSmart Bolus CalculatorFree5.0★ (2)NoNoJun 2026
5Bolus GuideBolus GuideFree3.8★ (12)NoNoOct 2026
6InsuCalc: Carbs, Fats & BolusInsuCalc: Carbs, Fats & BolusFree4.8★ (4)NoYesOct 2026
7Glucose Buddy Diabetes TrackerGlucose Buddy Diabetes TrackerFree4.8★ (25K)YesYesOct 2026
8AKUH Insulin CalculatorAKUH Insulin CalculatorFree4.3★ (3)NoNoMay 2026

Top Picks for Insulin Calculator

T1D1 Mobile#1

T1D1 Mobile by T1D1

Type1 Insulin Calc FDA-Cleared
Editor's Choice
💪 Health & Fitness
4.7(97 ratings)
Free
T1D1 Mobile screenshot 1
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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
3.9(27 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.

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 October 2026, with a 4.7-star average from 97 App Store ratings, and it's free to download.
Yes — 20 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 October 2026.
We track 249+ insulin calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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