Best Injection Calculator Apps

250+ iOS apps curated and reviewed

4.1 avg rating
17 free apps
Updated October 2026

Every iPhone needs a few good injection calculator apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Injection Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Peptide Calculator: PepCalcPeptide Calculator: PepCalcFree4.7★ (378)NoNoOct 2026
2Peptide Calculator: DoseRxPeptide Calculator: DoseRxFree4.9★ (198)NoNoOct 2026
3NurseCalcsNurseCalcsFree4.0★ (4)NoNoAug 2026
4Tracktide - Injection TrackerTracktide - Injection TrackerFree—NoNoOct 2026
5NjectNject$4.994.0★ (126)NoNoSep 2026
6PeptideCalc+ · Dose CalculatorPeptideCalc+ · Dose Calculator$1.99—NoNoAug 2026
7PepDose: Peptide CalculatorPepDose: Peptide CalculatorFree—NoYesJul 2026
8Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoOct 2026

Top Picks for Injection Calculator

Peptide Calculator: PepCalc#1

Peptide Calculator: PepCalc by David Dzeveckij

Dosage & Reconstitution Tool
Editor's Choice
🏥 Medical
4.7(378 ratings)
Free
Peptide Calculator: PepCalc screenshot 1
Peptide Calculator: PepCalc screenshot 2
Peptide Calculator: PepCalc screenshot 3

This tool simplifies peptide dosage and reconstitution calculations. It accurately determines injection volumes and the correct amount of water for mixing, converting results to insulin syringe units. Designed for researchers and wellness enthusiasts, it ensures precise and confident peptide administration.

Peptide Calculator: DoseRx#2

Peptide Calculator: DoseRx by Arturo Gomez

Dose & Reconstitution Tracker
Strong Contender
🏥 Medical
4.9(198 ratings)
Free
Peptide Calculator: DoseRx screenshot 1
Peptide Calculator: DoseRx screenshot 2
Peptide Calculator: DoseRx screenshot 3

This app quickly calculates peptide draw volumes and insulin syringe units. It works offline, requiring no account, and provides clear results for various vial sizes and water amounts. It's designed for informational purposes only, with a strong disclaimer to consult medical professionals.

NurseCalcs#3

NurseCalcs by James Crate

Calculations for Nurses
Worth Considering
🔧 Utilities
4.0(4 ratings)
Free
NurseCalcs screenshot 1
NurseCalcs screenshot 2
NurseCalcs screenshot 3
NurseCalcs screenshot 4

This utility app helps nurses perform essential unit conversions for medication dosages. It quickly calculates the correct amount of medication to draw based on patient weight and available concentration.

More Injection Calculator apps to explore

FAQ about Injection Calculator

What are the best injection calculator apps for iPhone?
Peptide Calculator: PepCalc tops our injection calculator apps ranking as of October 2026, with a 4.7-star average from 378 App Store ratings, and it's free to download.
Yes — 17 of the top injection calculator apps we rank are free to download, including Peptide Calculator: PepCalc and Peptide Calculator: DoseRx.
Peptide Calculator: PepCalc has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ injection calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.