Best Free Peptide Calculator Apps

227+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated May 2026

Peptide Calculator is the household name in free peptide calculator, but it's far from the only option. We track 227+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Free Peptide Calculator

Peptide Calculator: PepCalc#1

Peptide Calculator: PepCalc by David Dzeveckij

Dosage & Reconstitution Tool
Editor's Choice
🏥 Medical
5.0(9 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.

Peptides Calculator#3

Peptides Calculator by Sphnix, Inc

Reconstitution Calculator
Worth Considering
💪 Health & Fitness
4.3😐(161 ratings)
FreeIn-App Purchases
Peptides Calculator screenshot 1
Peptides Calculator screenshot 2
Peptides Calculator screenshot 3
Peptides Calculator screenshot 4
Peptides Calculator screenshot 5
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 Free Peptide Calculator apps to explore

4
Peptide Calculator App
Peptide Calculator App
Peptide Calculator App
Pepcalc Compound & Dosage
Free

This app serves as a comprehensive peptide dosage calculator for researchers and enthusiasts. It offers features like saving calculations, tracking peptide usage, and a reconstitution guide. Users can also explore mixing ratios and export results to PDF.

Syringe size optionsSave and edit calculationsPeptide tracking and history
🏥 Medical
(469)
free with in-app purchases
5
Peptide Calculator & Dosage
Peptide Calculator & Dosage
Peptide Calculator & Dosage
Peptide Dose Calculator
Free

Easily calculate peptide dosages with this straightforward tool. It helps determine reconstitution ratios and injection volumes based on your inputs. Manage your peptide inventory, track your progress, and review past dosing with helpful features.

Peptide dosage calculationReconstitution ratio determinationInjection volume calculation
💪 Health & Fitness
(70)
freemium
6
Peptide Tracker - PeptideKit
Peptide Tracker - PeptideKit
Peptide Tracker - PeptideKit
For Mounjaro, Wegovy, Zepbound
Free

This app helps users manage their peptide therapy journey with smart protocol management, progress tracking, and detailed journaling. It offers intelligent analytics, a built-in AI chat assistant, and a user-focused design for optimal organization and motivation.

Customizable peptide protocolsAutomatic shot generationIntelligent reminder system
💪 Health & Fitness
(253)
subscription
7
Peptide Calculator: PepFlow
Peptide Calculator: PepFlow
Peptide Calculator: PepFlow
Reconstitution, mixing & dose
Free

Calculate peptide dosages and reconstitution accurately and quickly. Track your injections with timely reminders and live activities. Save custom formulas and sync across devices for seamless management.

Peptide dosage calculationReconstitution guidanceInjection time tracking
💪 Health & Fitness
(278)
free with in-app purchases
8
Peptide Tracker & Calculator
Peptide Tracker & Calculator
Peptide Tracker & Calculator
Your Private Peptide Log
Free

This app helps you meticulously track and calculate peptide dosages, inventory, and injection sites. It provides smart alerts for low stock and detailed logs of your usage history for research, fitness, or therapeutic protocols. Your data is stored securely and privately on your device.

Comprehensive peptide inventory managementPrecise dosing log and calculation supportIntelligent injection site rotation tracking
💪 Health & Fitness
(384)
free with in-app purchases
9
CalcPep - Peptide Calculator
CalcPep - Peptide Calculator
CalcPep - Peptide Calculator
Dosing & Reconstitution Math
Free
💪 Health & Fitness
(0)
10
Exploring Peptides
Exploring Peptides
Exploring Peptides
Peptide Dosage Calculator
Free

This application simplifies the calculation of precise peptide dosages for researchers and medical professionals. It allows users to input syringe type, peptide amount, and water volume to determine units to draw and total doses. Results can be saved, emailed, and accessed via pre-calculated templates.

Peptide dosage calculationSave and email resultsPre-calculated and custom templates
📚 Education
(20)
free
11
Peptide Tracker - PepSync
Peptide Tracker - PepSync
Peptide Tracker - PepSync
Reconstitution & GLP1 Tracker
Free

This app simplifies peptide use by calculating accurate dosages, tracking injections, and setting reminders for consistency. Manage multiple peptides and review your history with a clear and reliable interface.

Smart peptide calculator for accurate dosingLog and track peptide injectionsSet reminders for consistency
💪 Health & Fitness
(18)
free with in-app purchases
12
PepCalc: Peptide Calculator
PepCalc: Peptide Calculator
PepCalc: Peptide Calculator
Mix & reconstitution tracker
$9.99
$11.99 | 17% OFF

This app simplifies complex peptide reconstitution calculations for researchers and scientists. It offers instant results for reconstitution ratios, supports multi-peptide blends, and saves custom protocols for efficient lab work. Designed for educational and research settings, it eliminates guesswork in preparing solutions.

Flexible input for amounts, volume, units, and target.Preset and custom unit scales.Multi-peptide blend calculations.
💪 Health & Fitness
(946)
paid
13
Peptide Library and Tracker
Peptide Library and Tracker
Peptide Library and Tracker
Track, Log & Compare Peptides
Free

This app serves as a comprehensive guide and lab assistant for peptide research. It offers a detailed peptide library, dose calculation tools, and advanced tracking features for logging, inventory management, and protocol adherence. Users can also access educational content and community Q&A to enhance their research workflow.

Comprehensive Peptide Library & DatabaseAdvanced Peptide Dose CalculatorSmart Tracking & Calendar View
💪 Health & Fitness
(14)
free
14
The Peptide App: Tracker
The Peptide App: Tracker
The Peptide App: Tracker
Protocol & Dose Tracker
Free

Organize and track your peptide protocols with a comprehensive library, a reconstitution calculator, and personalized dose reminders. Log your adherence, review your dosing history, and create custom protocols tailored to your specific needs.

Protocol library with dosing schedulesReconstitution calculator for bacteriostatic waterDose tracking and personalized reminders
💪 Health & Fitness
(47)
free
15
Calculate by QxMD
Calculate by QxMD
Calculate by QxMD
Medical Calculator
Free

This clinical calculator and decision support tool offers over 200 medical calculators and tools for diagnosis, treatment, and prognosis. It adapts to your practice and provides detailed references, integrating with PubMed and Read by QxMD.

Over 200 medical calculatorsClinical decision support toolsCardiology, internal medicine, and more
🏥 Medical
(5.1K)
free with in-app purchases
16
Peptide Tracker Calculator
Peptide Tracker Calculator
Peptide Tracker Calculator
GLP-1, TRT, Vial & Dose Log
$4.99
$5.99 | 17% OFF

This app helps manage peptide, GLP-1, and TRT medications. It offers calculators for reconstitution, dose scheduling, reminders, and detailed logging. Track inventory, monitor adherence, and visualize health insights with trend charts and medication level analysis.

Reconstitution and multi-peptide blend calculatorsGLP-1 and TRT medication presetsCustomizable dose schedules and reminders
💪 Health & Fitness
(166)
free
17
PepPedia
PepPedia
PepPedia
Peptide Wiki & Tracker
Free

An educational reference for peptide research, offering a comprehensive library of peptide profiles, personal tracking tools for notes and inventory, and helpful math calculators. Securely sync your data across devices to stay organized and informed.

Peptide research libraryPersonal notes and logsInventory and expiration tracking
💪 Health & Fitness
(34)
free with in-app purchases
18
Peptide Calculator & Tracker
Peptide Calculator & Tracker
Peptide Calculator & Tracker
Dosing Log & Scheduling
Free

This utility app helps users accurately calculate peptide dosages, manage inventory, and track detailed protocols. It simplifies mixing, scheduling, and site rotation for consistent and safe research or personal use.

Precision dosage calculationReconstitution wizardSmart inventory management
🔧 Utilities
(3)
free with in-app purchases
19
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
🔧 Utilities
(36K)
free with in-app purchases
20
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(60K)
free

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