Best Bolus Apps

86+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated July 2026

With an average user rating of 4.3★, the bolus category is one of the App Store's strongest. Browse all 86+ apps we track, sorted so the most loved ones surface first.

Compare top Bolus Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BolusCalcBolusCalcFree3.8★ (23)NoNoAug 2026
2Bolus GuideBolus GuideFree3.8★ (12)NoNoMay 2026
3BolusSmartBolusSmartFreeNoNoAug 2026
4Bolus CalculatorBolus CalculatorFree5.0★ (1)NoYesAug 2026
5Bolus: Anesthesia RecordBolus: Anesthesia RecordFree5.0★ (1)NoYesSep 2026
6EnteraCalc BolusEnteraCalc BolusFreeNoNoMay 2026
7T1D1 MobileT1D1 MobileFree4.5★ (24)NoNoSep 2026
8Diabetes smartmanager incl. Basal-Bolus therapyDiabetes smartmanager incl. Basal-Bolus therapyFree2.0★ (1)NoYesMay 2026

Top Picks for Bolus

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.

Bolus Guide#2

Bolus Guide by David Vincent

Strong Contender
🏥 Medical
3.8(12 ratings)
Free
Bolus Guide screenshot 1
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This app helps individuals with diabetes calculate precise insulin doses for meals and corrections. It uses user-inputted data like carb ratios and current glucose levels to provide exact and rounded insulin amounts, aiming to improve glycemic control and quality of life.

More Bolus apps to explore

FAQ about Bolus

What are the best bolus apps for iPhone?
BolusCalc tops our bolus apps ranking as of July 2026, with a 3.8-star average from 23 App Store ratings, and it's free to download.
Yes — 19 of the top bolus apps we rank are free to download, including BolusCalc and Bolus Guide.
BolusCalc has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 86+ bolus apps on the iOS App Store as of July 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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