Best Free Peptide Calculator Apps

249+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated August 2026

Peptide Calculator is the household name in free peptide calculator, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Free Peptide Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Peptide Calculator: PepCalcPeptide Calculator: PepCalcFree4.7★ (378)NoNoSep 2026
2InnerGlow Peptides CalculatorInnerGlow Peptides CalculatorFreeNoNoJul 2026
3Peptide Calculator: DoseRxPeptide Calculator: DoseRxFree4.9★ (198)NoNoSep 2026
4Peptide Calculator: PepFlowPeptide Calculator: PepFlowFree4.8★ (396)NoYesSep 2026
5Peptides CalculatorPeptides CalculatorFree was $2.994.3★ (170)NoYesSep 2026
6Peptide Calculator・TrackerPeptide Calculator・TrackerFree4.4★ (553)YesYesSep 2026
7Peptra: Peptide CalculatorPeptra: Peptide CalculatorFreeNoYesAug 2026
8Peptide Calculator & DosagePeptide Calculator & DosageFree4.7★ (136)NoYesSep 2026

Top Picks for Free Peptide 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#3

Peptide Calculator: DoseRx by Arturo Gomez

Dose & Reconstitution Tracker
Worth Considering
🏥 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.

More Free Peptide Calculator apps to explore

FAQ about Free Peptide Calculator

What are the best free peptide calculator apps for iPhone?
Peptide Calculator: PepCalc tops our free peptide calculator apps ranking as of August 2026, with a 4.7-star average from 378 App Store ratings, and it's free to download.
Peptide Calculator: PepCalc has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ free peptide calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
PepCalc is a dedicated tool for calculating accurate peptide dosages and reconstitution volumes. It helps users determine precise injection amounts and the correct amount of water for mixing, ensuring confidence in peptide administration.
To calculate dosage, you input the desired dose (mcg or mg), the total peptide amount in the vial, and the reconstitution volume. PepCalc then instantly provides the result in both mL and insulin syringe units.

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