Best Insulin Bolus Calculator Apps

250+ iOS apps curated and reviewed

4.4 avg rating
17 free apps
Updated August 2026

With an average user rating of 4.4★, the insulin bolus calculator category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Insulin Bolus Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BolusCalcBolusCalcFree3.8★ (23)NoNoAug 2026
2Smart BolusSmart BolusFreeNoNoSep 2026
3Smart Bolus CalculatorSmart Bolus CalculatorFree5.0★ (2)NoNoJun 2026
4Bolus GuideBolus GuideFree3.8★ (12)NoNoMay 2026
5InsuCalc: Carbs, Fats & BolusInsuCalc: Carbs, Fats & BolusFree4.8★ (4)NoYesJul 2026
6mySugr - Diabetes Tracker LogmySugr - Diabetes Tracker LogFree4.7★ (33K)NoYesSep 2026
7AKUH Insulin CalculatorAKUH Insulin CalculatorFree4.3★ (3)NoNoMay 2026
8Insulin Protocol CalculatorInsulin Protocol Calculator$0.993.3★ (6)NoNoSep 2026

Top Picks for Insulin Bolus Calculator

BolusCalc#1

BolusCalc by BC Children's Hospital

Insulin Bolus Calculator
Editor's Choice
🏥 Medical
3.8(23 ratings)
Free
BolusCalc screenshot 1
BolusCalc screenshot 2
BolusCalc screenshot 3
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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 Calculator#3

Smart Bolus Calculator by Smart Bolus Calculator LLC

Worth Considering
💪 Health & Fitness
5.0(2 ratings)
Free
Smart Bolus Calculator screenshot 1
Smart Bolus Calculator screenshot 2
Smart Bolus Calculator screenshot 3

This app assists individuals with diabetes in calculating insulin doses. It uses personalized settings like insulin-to-carbohydrate ratios and correction factors to determine accurate doses based on carbohydrate intake and current blood glucose levels.

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 August 2026, with a 3.8-star average from 23 App Store ratings, and it's free to download.
Yes — 17 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 August 2026.
We track 250+ insulin bolus calculator apps on the iOS App Store as of August 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.

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