The Best Peptide Calculator for iOS
PeptideCalc is a native iOS app designed specifically for iPhone and iPad. Calculate peptide reconstitution, save protocols, preview titration schedules, track injections and nearly any medication type, customize themes, sync supported biometrics from Apple Health, chart insights, model medication levels, sync supported app data with iCloud, and import supported Shotsy export files with no subscriptions.

Built for iOS
Optimized for iPhone and iPad
Every feature is designed to leverage iOS capabilities, from Apple Health biometric sync to iCloud sync and native notifications.
- Native iOS Performance
Built specifically for iPhone and iPad with SwiftUI, delivering lightning-fast calculations and smooth animations.
- iCloud Sync
Optional sync across your signed-in Apple devices when enabled. Start on iPhone, continue on iPad.
- Apple Health Sync
Optionally sync supported biometrics from Apple Health into Insights with read-only HealthKit access.
- Privacy First
No PeptideCalc account is required. App data stays on-device by default, with optional Apple Health sync and optional iCloud sync.
- Smart Notifications
iOS notification center integration with customizable reminders for every dose.
- Instant Calculations
Real-time peptide reconstitution calculations optimized for iOS. No lag, no delays.
- Schedule Integration
Calendar-style schedule views, active schedule tracking, countdown timers, and iOS notifications.
Feature list
Everything the iOS app handles for you
Pulled straight from the native app: the full stack of scheduling, calculation, tracking, and privacy features you use every day.
Scheduling & reminders
Keep every GLP-1 and peptide on time with countdowns and notifications.
- Visual calendar plus next-five countdown view built for Ozempic®, Wegovy®, Mounjaro®, and custom peptides
- Schedule setup previews with calendar dates, reminders, color, backfill options, and titration steps before you save
- Flexible cadences: weekly, bi-weekly, monthly, or fully custom routines
- Mark doses done, skipped, or missed and keep adherence trends up to date
- Notification stack tuned for iOS so reminders never get lost
Reconstitution calculator
Guided steps for compounded vials and blends with pharmaceutical-grade math.
- Exact mg, mcg, IU, ng, and pg conversions with visual draw guidance
- Track supplements, nasal sprays, liquids, capsules, pills, injectable pens, steroids, HGH, HCG, and custom medication types
- Supports U-100, U-50, U-40, U-30, and custom syringe calibrations
- Handles dual and triple peptide blends with proportional dosing
- Works fully offline so calculations stay available anywhere
Protocol manager
Save every plan, edit inline, and load the right dose in seconds.
- Unlimited protocols with favorites, alphabetical sort, and quick search
- One-tap loading into the calculator with instant recalculation on edit
- Import supported Shotsy CSV and .shotsyjson export files plus optional iCloud sync when you want it
- Use customizable dark mode, theme presets, tint colors, and accent colors across the app
- Keep variants for each patient or personal stack side by side
Injection site tracking
Rotate properly with a full history of where every dose landed.
- Track abdomen, thighs, arms, glutes, lats, and custom locations
- Rotation history and smart suggestions to avoid repeat sites
- Add site-specific notes and review at a glance before you inject
Adherence & insights
See progress, stay motivated, and catch issues early.
- 7-day adherence scoring with on-time vs. late tracking
- Optional Apple Health sync for supported biometrics such as weight, body composition, resting heart rate, and sleep duration
- Side-effect logging with severity and duration for each dose
- Biometric trend charts and medication level modeling from half-life and logged doses
Privacy & control
No ads, no account required, and clear controls for sync, Apple Health, notifications, and exports.
- Works offline by default with local on-device storage
- Apple Health access is optional, read-only, and Health samples stay local to the device
- Optional iCloud sync for supported app data across your own devices
- One-time lifetime purchase with no subscriptions, no ads, and no PeptideCalc account required
iOS Compatibility
PeptideCalc supports iPhone and iPad on iOS or iPadOS 18.6 and newer.
There is no Android app today. PeptideCalc is not a native macOS app, though Apple silicon Macs that can run iPhone and iPad apps should still work.
Why Download the iOS App?
Native iOS Performance
Built with SwiftUI for smooth, responsive calculations that feel natural on iOS.
Offline Capability
Calculate peptide doses anywhere, even without internet connection.
Dark Mode
Automatic dark mode support that matches your iOS system settings.