Best Bolus Apps

98+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated October 2026

With an average user rating of 4.5★, the bolus category is one of the App Store's strongest. Browse all 98+ apps we track, sorted so the most loved ones surface first.

Compare top Bolus Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BolusCalcBolusCalcFree3.9★ (27)NoNoOct 2026
2T1D1 MobileT1D1 MobileFree4.7★ (97)NoNoOct 2026
3Bolus GuideBolus GuideFree3.8★ (12)NoNoOct 2026
4Bolus: Anesthesia RecordBolus: Anesthesia RecordFree5.0★ (10)NoYesSep 2026
5Bolus CalculatorBolus CalculatorFree5.0★ (1)NoYesSep 2026
6Bolus: Medication CheckerBolus: Medication CheckerFree—NoYesAug 2026
7Smart BolusSmart BolusFree4.7★ (22)NoNoOct 2026
8EnteraCalc BolusEnteraCalc BolusFree—NoNoMay 2026

Top Picks for Bolus

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.

T1D1 Mobile#2

T1D1 Mobile by T1D1

Type1 Insulin Calc FDA-Cleared
Strong Contender
💪 Health & Fitness
4.7(97 ratings)
Free
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This app helps individuals with Type 1 Diabetes calculate insulin doses, track glucose, insulin, and carb intake. It's designed for those using multiple daily injections and newly diagnosed patients, offering essential tools for daily management. The app is FDA-cleared and free to use.

3.8(12 ratings)
Free
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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 October 2026, with a 3.9-star average from 27 App Store ratings, and it's free to download.
Yes — 20 of the top bolus apps we rank are free to download, including BolusCalc and T1D1 Mobile.
BolusCalc has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 98+ bolus apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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