Best Insulin Bolus Calculator Apps

245+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated October 2026

With an average user rating of 4.1★, the insulin bolus calculator category is one of the App Store's strongest. Browse all 245+ apps we track, sorted so the most loved ones surface first.

Compare top Insulin Bolus Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BolusCalcBolusCalcFree3.9★ (27)NoNoOct 2026
2Smart BolusSmart BolusFree4.7★ (22)NoNoOct 2026
3Smart Bolus CalculatorSmart Bolus CalculatorFree5.0★ (2)NoNoJun 2026
4Bolus GuideBolus GuideFree3.8★ (12)NoNoOct 2026
5T1D1 MobileT1D1 MobileFree4.7★ (97)NoNoOct 2026
6InsuCalc: Carbs, Fats & BolusInsuCalc: Carbs, Fats & BolusFree4.8★ (4)NoYesOct 2026
7mySugr - Diabetes Tracker LogmySugr - Diabetes Tracker LogFree4.7★ (33K)NoYesOct 2026
8Peptide Calculator: PepMathPeptide Calculator: PepMathFree—NoYesOct 2026

Top Picks for Insulin Bolus Calculator

BolusCalc#1

BolusCalc by BC Children's Hospital

Insulin Bolus Calculator
Editor's Choice
🏥 Medical
3.9(27 ratings)
Free
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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.

Smart Bolus#2

Smart Bolus by Abdulrahman Alfantokh

Smart Insulin Dose Calculator
Strong Contender
💪 Health & Fitness
4.7(22 ratings)
Free
Smart Bolus screenshot 1
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This app helps individuals with diabetes calculate precise insulin doses for meals. It personalizes calculations based on carb ratios, insulin sensitivity, and target glucose levels, offering advanced features like time-based profiles and insulin on board tracking.

More Insulin Bolus Calculator apps to explore

FAQ about Insulin Bolus Calculator

What are the best insulin bolus calculator apps for iPhone?
BolusCalc tops our insulin bolus calculator apps ranking as of October 2026, with a 3.9-star average from 27 App Store ratings, and it's free to download.
Yes — 19 of the top insulin bolus calculator apps we rank are free to download, including BolusCalc and Smart Bolus.
BolusCalc has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 245+ insulin bolus 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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