Best Simple Insulin Bolus Calculator Apps

249+ iOS apps curated and reviewed

3.9 avg rating
17 free apps
Updated September 2026

BolusCalc is the household name in simple insulin bolus calculator, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Simple Insulin Bolus Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BolusCalcBolusCalcFree3.8★ (23)NoNoAug 2026
2Smart BolusSmart BolusFreeNoNoSep 2026
3Smart Bolus CalculatorSmart Bolus CalculatorFree5.0★ (2)NoNoJun 2026
4InsuCalc: Carbs, Fats & BolusInsuCalc: Carbs, Fats & BolusFree4.8★ (4)NoYesJul 2026
5Insulin Protocol CalculatorInsulin Protocol Calculator$0.993.3★ (6)NoNoSep 2026
6AKUH Insulin CalculatorAKUH Insulin CalculatorFree4.3★ (3)NoNoMay 2026
7Bolus GuideBolus GuideFree3.8★ (12)NoNoMay 2026
8Insulin CalculatorInsulin CalculatorFree1.0★ (7)YesYesJul 2026

Top Picks for Simple Insulin Bolus Calculator

BolusCalc#1

BolusCalc by BC Children's Hospital

Insulin Bolus Calculator
Editor's Choice
🏥 Medical
3.8(23 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.

More Simple Insulin Bolus Calculator apps to explore

FAQ about Simple Insulin Bolus Calculator

What are the best simple insulin bolus calculator apps for iPhone?
BolusCalc tops our simple insulin bolus calculator apps ranking as of September 2026, with a 3.8-star average from 23 App Store ratings, and it's free to download.
Yes — 17 of the top simple 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 September 2026.
We track 249+ simple insulin bolus calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
BolusCalc is designed to help users calculate insulin doses. It offers features for simple bolus calculations, generating insulin sliding scales, and adjusting doses based on continuous glucose monitoring (CGMS) data.
BolusCalc supports calculations in both Canadian mmol/L and U.S. mg/dL blood glucose units, making it adaptable for users in different regions.