Best Peptide Calculator Apps

242+ iOS apps curated and reviewed

4.8 avg rating
17 free apps
Updated October 2026

PeptidePal is the household name in peptide calculator, but it's far from the only option. We track 242+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Peptide Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1PeptidePal – Peptide TrackerPeptidePal – Peptide TrackerFree4.7★ (4.9K)YesYesOct 2026
2Peptide Calculator: DoseRxPeptide Calculator: DoseRxFree4.9★ (287)NoNoOct 2026
3Peptides CalculatorPeptides CalculatorFree4.3★ (175)NoYesOct 2026
4Peptide Tracker: PepFlowPeptide Tracker: PepFlowFree4.8★ (442)NoYesOct 2026
5Peptide Tracker & Log: PepCalcPeptide Tracker & Log: PepCalc$9.994.8★ (952)NoNoOct 2026
6Pep AI: GLP-1 Tracker AppPep AI: GLP-1 Tracker AppFree4.7★ (4K)YesYesOct 2026
7Peptide Tracker & CalculatorPeptide Tracker & CalculatorFree4.8★ (590)NoYesOct 2026
8Peptide Tracker & DosagePeptide Tracker & DosageFree4.7★ (141)NoYesOct 2026

Top Picks for Peptide Calculator

PeptidePal – Peptide Tracker#1

PeptidePal – Peptide Tracker by Blank Labs LLC

Peptide Dose Calculator & Log
Editor's Choice
💪 Health & Fitness
4.7(4.9K ratings)
FreeAdsIn-App Purchases
PeptidePal – Peptide Tracker screenshot 1
PeptidePal – Peptide Tracker screenshot 2
PeptidePal – Peptide Tracker screenshot 3
PeptidePal – Peptide Tracker screenshot 4
PeptidePal – Peptide Tracker screenshot 5
PeptidePal – Peptide Tracker screenshot 6

This app helps users track GLP-1 medications, research peptides, and TRT. It offers a protocol builder, a comprehensive peptide library, and a reconstitution calculator with visual aids. It also includes supply alerts and injection site rotation guidance.

Peptide Calculator: DoseRx#2

Peptide Calculator: DoseRx by Arturo Gomez

Dose & Reconstitution Tracker
Strong Contender
🏥 Medical
4.9(287 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.

Peptides Calculator#3

Peptides Calculator by Sphnix, Inc

Reconstitution Calculator
Worth Considering
💪 Health & Fitness
4.3😐(175 ratings)
FreeIn-App Purchases
Peptides Calculator screenshot 1
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Peptides Calculator screenshot 6

This app helps users log, organize, and manage their peptide preparation process. It offers features for calculating reconstitution details, saving vial records, and accessing educational content. An optional subscription unlocks unlimited entries, enhanced tracking, and multi-device sync.

What We Love

  • 👍 Easy to save vial info
  • 👍 Nicely set up and laid out
  • 💡 Streaks and last taken feature

Room to Improve

  • 🐛 Lost access to previous peptide calculations
  • 🐛 Unable to update streaks and last taken
  • 🐛 Unable to record when a dose was taken

More Peptide Calculator apps to explore

FAQ about Peptide Calculator

What are the best peptide calculator apps for iPhone?
PeptidePal – Peptide Tracker tops our peptide calculator apps ranking as of October 2026, with a 4.7-star average from 4.9K App Store ratings, and it's free to download.
Yes — 17 of the top peptide calculator apps we rank are free to download, including PeptidePal – Peptide Tracker and Peptide Calculator: DoseRx.
PeptidePal – Peptide Tracker shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 242+ peptide calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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