Best Simple Insulin Bolus Calculator Apps

250+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated October 2026

Bolus Guide is the household name in simple insulin bolus calculator, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Simple Insulin Bolus Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Bolus GuideBolus GuideFree3.8★ (12)NoNoOct 2026
2BolusCalcBolusCalcFree3.9★ (26)NoNoOct 2026
3Smart BolusSmart BolusFree—NoNoOct 2026
4Smart Bolus CalculatorSmart Bolus CalculatorFree5.0★ (2)NoNoJun 2026
5T1D1 MobileT1D1 MobileFree4.7★ (97)NoNoOct 2026
6InsuCalc: Carbs, Fats & BolusInsuCalc: Carbs, Fats & BolusFree4.8★ (4)NoYesOct 2026
7AKUH Insulin CalculatorAKUH Insulin CalculatorFree4.3★ (3)NoNoMay 2026
8Calculator for iPad₊Calculator for iPad₊Free4.5★ (126K)YesYesOct 2026

Top Picks for Simple Insulin Bolus Calculator

3.8(12 ratings)
Free
Bolus Guide screenshot 1
Bolus Guide screenshot 2
Bolus Guide screenshot 3
Bolus Guide screenshot 4
Bolus Guide screenshot 5

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.

BolusCalc#2

BolusCalc by BC Children's Hospital

Insulin Bolus Calculator
Strong Contender
🏥 Medical
3.9(26 ratings)
Free
BolusCalc screenshot 1
BolusCalc screenshot 2
BolusCalc screenshot 3
BolusCalc screenshot 4
BolusCalc screenshot 5
BolusCalc screenshot 6

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?
Bolus Guide tops our simple insulin bolus calculator apps ranking as of October 2026, with a 3.8-star average from 12 App Store ratings, and it's free to download.
Yes — 19 of the top simple insulin bolus calculator apps we rank are free to download, including Bolus Guide and BolusCalc.
Bolus Guide has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ simple insulin bolus calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.